{"loaderData":{"0":null,"0-5":[{"type":"wordpress/fetchEditorialNotes/rejected","meta":{"arg":{"word":"RU-486"},"requestId":"3EuCsBzI2Sw5Nu0OicjZq","rejectedWithValue":false,"requestStatus":"rejected","aborted":false,"condition":false},"error":{"name":"SyntaxError","message":"Unexpected token < in JSON at position 0","stack":"SyntaxError: Unexpected token < in JSON at position 0\n at JSON.parse ()\n at Response.json (node:internal/deps/undici/undici:1817:21)\n at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n at async /app/server.js:389:13314"}},{"type":"fetchPageData/fulfilled","payload":{"_id":"home-legacy","story":{"created_at":"2023-07-04T15:14:18.526Z","published_at":"2024-05-02T04:05:00.000Z","content":{"heroModule":[{"cta":[{"url":"https://www.dictionary.com/e/their-vs-there-vs-theyre/","text":"Read more.","target":"_self"}],"article":{"name":"\"Their\" vs. \"There\" vs. \"They're\": What's the Difference?","content":{"topicLabel":"Commonly confused"}},"imageUrl":"https://assets.dictionary.com/home/featured/hero/their-vs-there-vs-theyre-whats-the-difference-20241120.png","description":"Unsure about when to use \"their,\" \"there,\" or \"they're\"? Clear up the confusion with these handy tips.","subjectLabel":"Today"}],"quizModule":[{"cta":[{"url":"https://www.dictionary.com/learn/quizzes","text":"Go to all quizzes","target":"_self"}],"image":"https://assets.dictionary.com/home/daily-quiz.png","articleLink":[{"url":"https://www.dictionary.com/games/quizzes/parenting-buzzwords-quiz","text":"Take the full quiz.","target":"_self"}],"subjectLabel":"Quiz","wordpressSlug":"parenting-buzzwords-quiz","questionNumber":"3"}],"xotdModule":[],"gamesModule":[{"gamesList":[{"name":"Daily Crossword","created_at":"2023-07-04T15:24:23.318Z","published_at":"2024-02-07T05:05:00.000Z","id":336141299,"content":{"link":[{"url":"https://www.dictionary.com/e/crossword/","text":"Daily Crossword","target":"_self"}],"image":{"id":10215805,"alt":"","name":"","focus":"","title":"","source":"","filename":"https://assets.dictionary.com/home/daily-crossword.png","copyright":"","fieldtype":"asset","meta_data":{},"is_external_url":false},"subscriberLink":""},"slug":"daily-crossword","full_slug":"games/daily-crossword","sort_by_date":null,"position":0,"tag_list":[],"is_startpage":false,"parent_id":336140985,"meta_data":null,"group_id":"013f4974-3fad-4e2b-8aa2-c573ef31f263","first_published_at":"2023-07-04T15:32:55.972Z","release_id":null,"lang":"default","path":null,"alternates":[],"default_full_slug":null,"translated_slugs":null,"_stopResolving":true},{"name":"Hurdle","created_at":"2023-07-07T20:42:46.109Z","published_at":"2024-02-06T05:05:00.000Z","id":337835996,"content":{"link":[{"url":"https://play.dictionary.com/games/todays-hurdle","text":"Hurdle","target":"_self"}],"image":{"id":10215808,"alt":"","name":"","focus":"","title":"","source":"","filename":"https://assets.dictionary.com/home/hurdle.png","copyright":"","fieldtype":"asset","meta_data":{},"is_external_url":false},"subscriberLink":"https://www.dictionary.com/games/hurdle"},"slug":"hurdle","full_slug":"games/hurdle","sort_by_date":null,"position":-30,"tag_list":[],"is_startpage":false,"parent_id":336140985,"meta_data":null,"group_id":"3342f4e9-9403-4609-a956-7cd5eab50dc9","first_published_at":"2023-07-10T17:24:55.648Z","release_id":null,"lang":"default","path":null,"alternates":[],"default_full_slug":null,"translated_slugs":null,"_stopResolving":true},{"name":"Word Puzzle","created_at":"2023-07-04T15:31:56.964Z","published_at":"2023-07-10T17:24:59.422Z","id":336150578,"content":{"link":[{"url":"https://www.dictionary.com/games/word-puzzle","text":"Word Puzzle","target":"_self"}],"image":{"id":10215807,"alt":"","name":"","focus":"","title":"","source":"","filename":"https://assets.dictionary.com/home/word-puzzle.png","copyright":"","fieldtype":"asset","meta_data":{},"is_external_url":false}},"slug":"word-puzzle","full_slug":"games/word-puzzle","sort_by_date":null,"position":-20,"tag_list":[],"is_startpage":false,"parent_id":336140985,"meta_data":null,"group_id":"71792320-7229-4ab6-8558-b3af16f5e557","first_published_at":"2023-07-04T15:32:43.933Z","release_id":null,"lang":"default","path":null,"alternates":[],"default_full_slug":null,"translated_slugs":null,"_stopResolving":true},{"name":"Word Wipe","created_at":"2023-07-04T15:28:02.623Z","published_at":"2024-02-06T05:05:00.000Z","id":336141320,"content":{"link":[{"url":"https://play.dictionary.com/games/word-wipe","text":"Word Wipe","target":"_self"}],"image":{"id":10215806,"alt":"","name":"","focus":"","title":"","source":"","filename":"https://assets.dictionary.com/home/word-wipe.png","copyright":"","fieldtype":"asset","meta_data":{},"is_external_url":false},"subscriberLink":"https://www.dictionary.com/games/word-wipe"},"slug":"word-wipe","full_slug":"games/word-wipe","sort_by_date":null,"position":-10,"tag_list":[],"is_startpage":false,"parent_id":336140985,"meta_data":null,"group_id":"3789fc63-90b3-4407-99f4-fa263d1a3e39","first_published_at":"2023-07-04T15:32:50.947Z","release_id":null,"lang":"default","path":null,"alternates":[],"default_full_slug":null,"translated_slugs":null,"_stopResolving":true}],"description":"Calling all cruciverbalists! Sharpen your mind with crosswords and word games, or take a brain break with your favorite classic games.","subjectLabel":"Games"}],"commonModule":[],"ribbonModule":[],"trendingModule":[{"articles":[{"content":{"link":[{"url":"https://www.dictionary.com/e/onto-vs-on-to/","text":"\"Onto\" vs. \"On To\": What's the Difference?"}]}},{"content":{"link":[{"url":"https://www.dictionary.com/e/that-vs-which/","text":"\"That\" vs. \"Which\": When Do You Use Each?"}]}},{"content":{"link":[{"url":"https://www.dictionary.com/e/scrabble/","text":"What Was Scrabble's Original Name?"}]}},{"content":{"link":[{"url":"https://www.thesaurus.com/e/ways-to-say/list-of-vegetables/","text":"This List of Vegetables Is No Small Potatoes"}]}},{"content":{"link":[{"url":"https://www.dictionary.com/e/imbed-vs-embed/","text":"\"Imbed\" vs. \"Embed\": What's the Difference?"}]}}],"subjectLabel":"Trending"}],"newsletterModule":[{"title":"Salutations, logophile!","imageUrl":"https://assets.dictionary.com/home/newsletter.png","description":"Sign up to get everything a word lover could want: word origins, fun facts, and the latest language trends.","subjectLabel":"Newsletter"}],"largeRibbonModule":[],"recirculationModule":[{"articles":[{"content":{"link":[{"url":"https://www.dictionary.com/e/context-clues/","text":"What Are Context Clues?"}],"topicLabel":"🔎"}},{"content":{"link":[{"url":"https://www.dictionary.com/e/meteor-vs-asteroid-vs-comet/","text":"Meteor vs. Asteroid vs. Comet: What's the Difference?"}],"topicLabel":"Space ☄️"}},{"content":{"link":[{"url":"https://www.dictionary.com/e/octopuses-or-octopi/","text":"Should You Say \"Octopuses\" Or \"Octopi\"?"}],"topicLabel":"Plurals"}}],"subjectLabel":"Featured"}]},"slug":"shared-homepage","full_slug":"homepages/shared-homepage","sort_by_date":null,"position":0,"tag_list":[],"is_startpage":false,"parent_id":336140983,"meta_data":null,"group_id":"c7ed375b-9129-448c-aeec-9f52e3fef270","first_published_at":"2023-07-04T18:23:43.845Z","release_id":null,"lang":"default","path":null,"alternates":[],"default_full_slug":null,"translated_slugs":null}},"meta":{"requestId":"Jihw1JULUxiZN1y2UuhiW","requestStatus":"fulfilled"}},{"type":"fetchWordsNearby/fulfilled","payload":{"data":{"before":[{"slug":"rt-revd","entry":"Rt Revd"},{"slug":"rts","entry":"Rts."},{"slug":"rtt","entry":"RTT"},{"slug":"rtw","entry":"rtw"},{"slug":"ru","entry":"Ru"}],"after":[{"slug":"ruana","entry":"ruana"},{"slug":"ruanda","entry":"Ruanda"},{"slug":"ruanda-urundi","entry":"Ruanda-Urundi"},{"slug":"rub","entry":"rub"},{"slug":"rubaboo","entry":"rubaboo"}]}},"meta":{"arg":{"word":"RU-486"},"requestId":"QSfpERyw2cVOaUbLgcSDO","requestStatus":"fulfilled"}},{"type":"luna/fetchExampleSentences/fulfilled","payload":{"data":{"nlp":[],"tdb":[],"gbg":[]}},"meta":{"arg":{"word":"RU-486"},"requestId":"-OvHAjP7L_4BJp6RReaTD","requestStatus":"fulfilled"}},{"type":"fetchDictionaryResults/fulfilled","payload":{"slugs":[{"entries":[{"__typename":"Entry","audioPronunciations":[],"confusableNotes":[],"genderNotes":[],"grammarNotes":[],"headword":{"displayForm":"RU 486","slug":"ru-486"},"idioms":[],"orderKey":99999010,"ordinal":10,"origin":{"originChunks":"[{\"text\": \"First recorded in\", \"type\": \"text\"}, {\"text\": \"1980;\", \"type\": \"date\"}, {\"text\": \"designation given the compound by its French manufacturer,\", \"type\": \"text\"}, {\"text\": \"Roussel UCLAF,\", \"type\": \"emphasis\"}, {\"text\": \"Paris\", \"type\": \"text\"}]"},"partOfSpeechBlock":[{"definitions":[{"antonymsConnection":{"edges":[]},"definitionSetChunks":"[{\"type\": \"def\", \"children\": [{\"type\": \"cross_reference\", \"punc\": \"stop\", \"children\": [{\"text\": \"mifepristone\", \"type\": \"text\"}], \"slug\": \"mifepristone\", \"trailingSpace\": true}]}]","examples":[],"ordinal":1,"subdefinitions":[],"synonymsConnection":{"edges":[]}}],"inflectionSets":[],"labelSet":null,"ordinal":1,"partOfSpeech":"noun"}],"pronunciationNotes":[],"pronunciationSet":null,"relatedFormSets":[],"sensitiveNotes":[],"spellingNotes":[],"synonymStudy":[],"usageAlerts":[],"usageNotes":[],"variants":[{"variantChunk":"{\"text\": \"or\", \"type\": \"var\", \"children\": [{\"text\": \"RU-486\", \"type\": \"form\"}]}"}],"verbPhrases":[]},{"__typename":"ScienceEntry","headword":{"displayForm":"RU 486","slug":"ru-486"},"note":null,"partOfSpeechGroups":[{"definitions":[{"definitionSetChunks":"[{\"type\": \"text\", \"text\": \"An oral drug that terminates early pregnancy by interfering with the action of progesterone, thereby preventing the attachment of a fertilized ovum to the uterine wall.\"}]","label":null,"ordinal":1,"subdefinitions":[]}],"ordinal":1,"inflections":[],"partOfSpeech":""}],"pronunciation":{"text":"är′yo̅o̅fôr′ā-tē-sĭks′"}},{"__typename":"ThesaurusEntry","headword":{"displayForm":"RU-486","slug":"ru-486"},"id":"u27e59bea365df506.-410fe1c2.179519f791f.-45cc","partOfSpeechGroups":[{"shortDefinitions":[{"synonyms":[{"targetWord":"abortion pill","id":"generated-fcbb6c19-046f-4cc9-b10a-5839860fad8b","similarity":10,"targetSlug":"abortion-pill"},{"targetWord":"Brompton","id":"generated-8c5ee1b2-ffe6-471d-8c3c-e967ae176d0e","similarity":10,"targetSlug":"brompton"},{"targetWord":"Brompton's mixture","id":"generated-b0801cb9-3a7f-42ba-b1d3-fd6715687e82","similarity":10,"targetSlug":"bromptons-mixture"},{"targetWord":"RU-486","id":"generated-a80e8616-eb61-4517-a548-8f30154b744b","similarity":10,"targetSlug":"ru-486"}],"thesRid":"u27e59bea365df506.-410fe1c2.179519f791f.-45c7_2","antonyms":[]},{"synonyms":[{"targetWord":"abortion pill","id":"generated-fcbb6c19-046f-4cc9-b10a-5839860fad8b","similarity":10,"targetSlug":"abortion-pill"},{"targetWord":"anovulatory drug","id":"generated-54c3bf3c-e26a-4a44-9540-dbdc42b6a0f9","similarity":10,"targetSlug":"anovulatory-drug"},{"targetWord":"Brompton","id":"generated-8c5ee1b2-ffe6-471d-8c3c-e967ae176d0e","similarity":10,"targetSlug":"brompton"},{"targetWord":"Brompton's cocktail","id":"generated-59604d37-8fe3-4dc2-885d-0bba1abba386","similarity":10,"targetSlug":"bromptons-cocktail"},{"targetWord":"Brompton's mixture","id":"generated-b0801cb9-3a7f-42ba-b1d3-fd6715687e82","similarity":10,"targetSlug":"bromptons-mixture"},{"targetWord":"French abortion pill","id":"generated-08a494e5-69bc-4268-8e52-71d15ddb1969","similarity":10,"targetSlug":"french-abortion-pill"},{"targetWord":"mifepristone","id":"generated-f8f2531c-3ccf-4568-be81-f1d61a5259e3","similarity":10,"targetSlug":"mifepristone"},{"targetWord":"morning-after pill","id":"generated-e18390ae-ba8c-44c0-88bf-d0e00f2cff27","similarity":10,"targetSlug":"morning-after-pill"},{"targetWord":"oral contraceptive","id":"generated-15410865-ae10-457c-8e1e-57cda6c4f727","similarity":10,"targetSlug":"oral-contraceptive"},{"targetWord":"RU-486","id":"generated-a80e8616-eb61-4517-a548-8f30154b744b","similarity":10,"targetSlug":"ru-486"},{"targetWord":"the pill","id":"generated-1c1dbfab-0c15-463d-ba80-2e6e7d9d67ba","similarity":10,"targetSlug":"the-pill"}],"thesRid":"u27e59bea365df506.-410fe1c2.179519f791f.-45c7_1","antonyms":[]},{"synonyms":[{"targetWord":"abortion pill","id":"generated-fcbb6c19-046f-4cc9-b10a-5839860fad8b","similarity":10,"targetSlug":"abortion-pill"},{"targetWord":"Brompton","id":"generated-8c5ee1b2-ffe6-471d-8c3c-e967ae176d0e","similarity":10,"targetSlug":"brompton"},{"targetWord":"Brompton's cocktail","id":"generated-59604d37-8fe3-4dc2-885d-0bba1abba386","similarity":10,"targetSlug":"bromptons-cocktail"},{"targetWord":"morning-after pill","id":"generated-e18390ae-ba8c-44c0-88bf-d0e00f2cff27","similarity":10,"targetSlug":"morning-after-pill"},{"targetWord":"RU-486","id":"generated-a80e8616-eb61-4517-a548-8f30154b744b","similarity":10,"targetSlug":"ru-486"},{"targetWord":"the pill","id":"generated-1c1dbfab-0c15-463d-ba80-2e6e7d9d67ba","similarity":10,"targetSlug":"the-pill"}],"thesRid":"u27e59bea365df506.-410fe1c2.179519f791f.-45c7_3","antonyms":[]}]}]}],"url":"ru-486"}]},"meta":{"arg":{"slug":"ru-486"},"requestId":"8vGn3M3tgp5jf8bGvOHsM","requestStatus":"fulfilled"}},{"type":"fetchResultsData/fulfilled","payload":{"data":{"url":"ru-486","displayForm":"RU 486","canonicalSlug":"ru-486","content":[{"source":"luna","entries":[{"id":"u3bb48a285cbafaf0.-3bc55cee.14d9e759c4b.3d8f","type":"normal","entry":"RU 486","entrySyllabified":"RU 486","entryVariants":["or RU-486 "],"homograph":null,"pronunciation":null,"predefinitionContent":"","posBlocks":[{"definitions":[{"order":1,"type":"simple","predefinitionContent":"","postdefinitionContent":"","definition":"mifepristone. ","synonyms":"","antonyms":"","cites":[]}],"pos":"noun","posSupplementaryInfo":""}],"origin":"First recorded in 1980; designation given the compound by its French manufacturer, Roussel UCLAF, Paris","originData":null,"supplementaryNotes":[],"variantForms":[],"variantSpellings":[],"referenceData":[],"relatedForms":[],"confusables":[]}]},{"source":"science","entries":[{"id":"R0029200","type":"V","entry":"RU 486","homograph":null,"pronunciation":{"audio":{"audio/ogg":"https://static.sfdict.com/content-assets/science/audio/ogg/R0331650.ogg","audio/mpeg":"https://static.sfdict.com/content-assets/science/audio/mp3/R0331650.mp3","audio/wav":"https://static.sfdict.com/content-assets/science/audio/wav/R0331650.wav"},"spell":"är′yōō fôr′ā-tē-sĭks′"},"predefinitionContent":"","posBlocks":[{"pos":"","pronunciation":"","posSupplementaryInfo":"","definitionSets":[{"id":null,"predefinitionContent":"","definition":"An oral drug that terminates early pregnancy by interfering with the action of progesterone, thereby preventing the attachment of a fertilized ovum to the uterine wall.","postdefinitionContent":"","subdefinitions":[],"dsSupplementaryInfo":[]}]}],"relatedForms":[],"supplementaryNotes":[],"media":[]}]}],"nearbyWordOrdinal":133179,"index-rank-01":["ru 486","ru 486"],"index-rank-02":["ru-486"],"index-rank-03":[],"index-rank-04":["ru 486's","ru 486s","ru 486s'"],"index-rank-05":["ru-486's","ru-486s","ru-486s'"],"index-rank-06":["ru486"],"index-rank-07":[],"index-rank-08":[],"index-rank-09":[],"index-rank-10":[],"index-rank-11":[],"index-rank-12":[],"index-rank-13":[],"index-rank-14":[],"index-rank-15":[],"tunaSlug":"ru%20486","isFeaturedMetaSlug":false}},"meta":{"arg":{"word":"RU-486"},"requestId":"Q7Qq2CA4leg6FDwJ0HKUU","requestStatus":"fulfilled"}},{"type":"fetchSpellSuggestions/fulfilled","payload":{"data":{"luna":["RU 486"],"tuna":["RU-486"],"lunaWithSlug":[{"displayForm":"RU 486","slug":"ru-486"}],"tunaWithSlug":[{"displayForm":"RU-486","slug":"ru-486"}]}},"meta":{"arg":{"word":"RU-486"},"requestId":"FlA_E-5A2gLfp942gbYXw","requestStatus":"fulfilled"}}]},"actionData":null,"errors":null}

RU 486

noun

Word History and Origins