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单词 lecithin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lec•i•thin  (lesə thin),USA pronunciation n. 
  1. Biochemistryany of a group of phospholipids, occurring in animal and plant tissues and egg yolk, composed of units of choline, phosphoric acid, fatty acids, and glycerol.
  2. a commercial form of this substance, obtained chiefly from soybeans, corn, and egg yolk, used in foods, cosmetics, and inks.
  • Greek lékith(os) egg yolk + -in2
  • 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
lecithin /ˈlɛsɪθɪn/ n
  1. any of a group of phospholipids that are found in many plant and animal tissues, esp egg yolk: used in making candles, cosmetics, and inks, and as an emulsifier and stabilizer in foods (E322)
    Systematic name: phosphatidylcholine
Etymology: 19th Century: from Greek lekithos egg yolk
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