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-iasis

  1. a noun suffix occurring in loanwords from Greek:

    psoriasis.



-iasis

combining form

  1. (in medicine) indicating a diseased condition Compare -osis

    psoriasis

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of -iasis1

< Greek, equivalent to -iā- v. formative + -sis -sis
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Word History and Origins

Origin of -iasis1

from New Latin, from Greek, suffix of action
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Example Sentences

Hospital operator Steward Health Care System will acquire Iasis Healthcare LLC for $1.9 billion, according to a person familiar with the transaction.

Its strategic partners have helped open doors to such large for-profit hospital groups as Vanguard Health Systems and Iasis Healthcare, as well as nonprofits he declined to name.

From Forbes

So the De Iasis decided to build a 4,000-sq.-ft. log home smack in the middle of Secaucus, N.J.--just five miles from New York City's Times Square.

The De Iasis purchased a model log-home kit from Kuhns Bros.

So the De Iasis decided to build a 4,000-sq.-ft. log home smack in the middle of Secaucus, N.J.--just five miles from New York City's Times Square.

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Words That Use -iasis

What does -iasis mean?

The form -iasis is a suffix used to denote the names of disease or other nouns of state or process. It is often used in medical terms, especially in pathology.

The form -iasis comes from Greek -íasis, denoting the names of diseases. It is a common misconception that -íasis comes from the verb iâsthai, meaning “to heal,” which is the source of the combining forms -iatry and iatro-. Instead, -iasis is derived from the Greek verb ending -áein (also ân), with the initial –i– used as a connecting vowel, featuring the noun-forming suffix -sis.

Examples of -iasis

One example of a word you may have come across that uses the form -iasis is psoriasis, “a common chronic, inflammatory skin disease characterized by scaly patches.” Psoriasis comes from Greek psōríāsis, which uses the equivalent form of -iasis in that language.

The psor- part of the word comes from Greek psṓra, meaning “itch.” The suffix -iasis roughly translates to “itchy disease.”

What are some words that use the combining form -iasis?

What are some other forms that -iasis may be commonly confused with?

Break it down!

The combining form lith- means “stone.” With this in mind, what is the literal translation of lithiasis?

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