stearin

American  

[stee-uh-rin, steer-in] / ˈsti ə rɪn, ˈstɪər ɪn /

Also stearine

noun

1. Chemistry. any of the three glyceryl esters of stearic acid, especially C 3 H 5 (C 1 8 H 3 5 O2 ) 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.

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stearin British  

/ ˈstɪərɪn /

noun

1. Also called: tristearin.  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

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stearin Scientific  

/ 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.

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Etymology

Origin of stearin

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

Example Sentences

Cotton seeds now contribute to the manufacture of refined oils, stearin, soap, nitroglycerine, roofing paint, writing paper, nitrocellulose, smokeless powder, lacquers, artificial leather, celluloid, rayon, photographic films, sausage casings, toilet ware, furfural, etc., etc.

From Time Magazine Archive

Grease a mold or ovenproof dish with paraffin or stearin and bake for 2½ hours.

From "The Diary of a Young Girl" by Anne Frank

Vrij has extracted from the seeds a 33% oil of a bright yellow color, composed, according to Oudermans, of 84 parts olein to 16 of palmitin and stearin.

From The Medicinal Plants of the Philippines by Thomas, Jerome Beers

In the same way are made these candles of stearin and of paraffin.

From The Chemical History of a Candle by Crookes, William, Sir

It consists chiefly of stearin, palmitin and olein.

From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by Thomssen, E. G.