stearin

[ stee-uh-rin, steer-in ]

noun

1. Chemistry. any of the three glyceryl esters of stearic acid, especially C 3 H 5 (C 1 8 H 3 5 O 2 ) 3 , a soft, white, odorless solid found in many natural fats.
2. the crude commercial form of stearic acid, used chiefly in the manufacture of candles.

stearin

/ ˈstɪərɪn /

noun

1. Also calledtristearin a colourless crystalline ester of glycerol and stearic acid, present in fats and used in soap and candles; glycerol tristearate; glycerol trioctadecanoate. Formula: (C 17 H 35 COO) 3 C 3 H 5
2. another name for stearic acid, esp a commercial grade containing other fatty acids
3. fat in its solid form

stearin

/ stē′ər-ĭn,stîr′ĭn /

1. A colorless, odorless, tasteless ester of glycerol and stearic acid found in most animal and vegetable fats and used in the manufacture of soaps, candles, metal polishes, and adhesives. Chemical formula: C 57 H 110 O 6 .
2. The solid form of fat.

Word History and Origins

Origin of stearin¹

1810–20; < French stéarine < Greek stéar fat, grease + French -ine -ine ²; -in ²

Word History and Origins

Origin of stearin¹

C19: from French stéarine, from Greek stear fat, tallow + -in

Example Sentences

Lard is very often adulterated with cottonseed oil, cottonseed stearin and beef stearin.

From Project Gutenberg

The quantity of stearin to be added is at the rate of half a part to 100 parts of sand.

From Project Gutenberg

It contains large quantities of stearin and has a low iodine value, making it a slow drying oil.

From Project Gutenberg

It contains a little stearin which begins to be deposited at 9° and is entirely solidified at 0°.

From Project Gutenberg

The protein of the yolk is chiefly in the form of ovovitellin, while the fats occur as palmitin, olein, and stearin.

From Project Gutenberg