单词	pepsin
释义	pepsin noun pep·​sin ˈpep-sən  1 : a protease of the stomach that breaks down most proteins to polypeptides 2 : a preparation containing pepsin that is obtained from the stomach especially of the hog and is used especially as a digestive aid Example Sentences Recent Examples on the Web Even that function is carried out by proteins like pepsin. Nathan Ahlgren, The Conversation, 13 Jan. 2021 In 2012, a lab study showed that water with a pH of 8.8 neutralized pepsin, the enzyme that causes damage to the esophagus in people with acid reflux. SELF, 6 Sep. 2018 That’s because plant protein is digested mostly in the intestines, while animal protein is digested in the stomach—which is also the point of production for pepsin. Alice Park, Time, 7 Sep. 2017 Word History Etymology German, from Greek pepsis digestion, from pessein First Known Use circa 1844, in the meaning defined at sense 1 Kids Definition pepsin noun pep·​sin ˈpep-sən  : an enzyme that starts the digestion of proteins in the stomach Medical Definition pepsin noun pep·​sin ˈpep-sən  1 : a crystallizable protease that in an acid medium digests most proteins to polypeptides (as by dissolving coagulated egg albumin or causing casein to precipitate from skim milk), that is secreted by glands in the mucous membrane of the stomach of higher animals, and that in combination with dilute hydrochloric acid is the chief active principle of gastric juice 2 : a preparation containing pepsin obtained as a powder or scales from the stomach especially of the hog and used especially as a digestant
随便看	redeemed redeemer redeemeres redeemers redeeming redeemless redeems redefeated redefeating redefeats redefect redefected redefecting redefects redefied redefies redefine redefined redefiner redefines redefining redefinition redefinitions redefying redeliver

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。