Definition of stearic acid in English:

stearic acid

nounstɪˈarɪkˈstɪərɪkˌstirik ˈasəd

Chemistry

A solid saturated fatty acid obtained from animal or vegetable fats.
〔化〕硬脂酸
Chemical formula: CH₃(CH₂)₁₆COOH
Example sentencesExamples
- Like all fatty acids stearic acid is insoluble in water, but is soluble in ether and hot alcohol.
- The most common animal fat is tristearin, which is composed of glycerol and three stearic acid molecules.
- Further improvements were made by substituting short-chain dicarboxylic acids for the surfactant stearic acid used to prevent agglomeration of the silver flakes.
- Both species exhibit low proportions of polyunsaturated fatty acids and high proportions of oleic and stearic acids characteristic of carnivorous and insectivorous species.
- Many shampoos are based on lauric, palmitic, and stearic acids, which have long chains of 12, 16, and 18 carbon atoms, respectively.

Origin

Mid 19th century: stearic from French stéarique, from Greek stear 'tallow'.

Definition of stearic acid in US English:

stearic acid

nounˌstirik ˈasəd

Chemistry

A solid saturated fatty acid obtained from animal or vegetable fats.
〔化〕硬脂酸
Chemical formula: CH₃(CH₂)₁₆COOH
Example sentencesExamples
- Further improvements were made by substituting short-chain dicarboxylic acids for the surfactant stearic acid used to prevent agglomeration of the silver flakes.
- The most common animal fat is tristearin, which is composed of glycerol and three stearic acid molecules.
- Like all fatty acids stearic acid is insoluble in water, but is soluble in ether and hot alcohol.
- Many shampoos are based on lauric, palmitic, and stearic acids, which have long chains of 12, 16, and 18 carbon atoms, respectively.
- Both species exhibit low proportions of polyunsaturated fatty acids and high proportions of oleic and stearic acids characteristic of carnivorous and insectivorous species.

Origin

Mid 19th century: stearic from French stéarique, from Greek stear ‘tallow’.

词汇	stearic acid
释义	Definition of stearic acid in English: stearic acid nounstɪˈarɪkˈstɪərɪkˌstirik ˈasəd Chemistry A solid saturated fatty acid obtained from animal or vegetable fats. 〔化〕硬脂酸 Chemical formula: CH₃(CH₂)₁₆COOH Example sentencesExamples Like all fatty acids stearic acid is insoluble in water, but is soluble in ether and hot alcohol. The most common animal fat is tristearin, which is composed of glycerol and three stearic acid molecules. Further improvements were made by substituting short-chain dicarboxylic acids for the surfactant stearic acid used to prevent agglomeration of the silver flakes. Both species exhibit low proportions of polyunsaturated fatty acids and high proportions of oleic and stearic acids characteristic of carnivorous and insectivorous species. Many shampoos are based on lauric, palmitic, and stearic acids, which have long chains of 12, 16, and 18 carbon atoms, respectively. Origin Mid 19th century: stearic from French stéarique, from Greek stear 'tallow'. Definition of stearic acid in US English: stearic acid nounˌstirik ˈasəd Chemistry A solid saturated fatty acid obtained from animal or vegetable fats. 〔化〕硬脂酸 Chemical formula: CH₃(CH₂)₁₆COOH Example sentencesExamples Further improvements were made by substituting short-chain dicarboxylic acids for the surfactant stearic acid used to prevent agglomeration of the silver flakes. The most common animal fat is tristearin, which is composed of glycerol and three stearic acid molecules. Like all fatty acids stearic acid is insoluble in water, but is soluble in ether and hot alcohol. Many shampoos are based on lauric, palmitic, and stearic acids, which have long chains of 12, 16, and 18 carbon atoms, respectively. Both species exhibit low proportions of polyunsaturated fatty acids and high proportions of oleic and stearic acids characteristic of carnivorous and insectivorous species. Origin Mid 19th century: stearic from French stéarique, from Greek stear ‘tallow’.
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