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单词 lactation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lac•ta•tion  (lak tāshən),USA pronunciation n. 
  1. Physiologythe secretion or formation of milk.
  2. Physiologythe period of milk production.
  • Late Latin lactātiōn- (stem of lactātiō) a giving suck. See lactate1, -ion
  • 1660–70
lac•tation•al, adj. 
lac•tation•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
lactation /lækˈteɪʃən/ n
  1. the secretion of milk from the mammary glands after parturition
  2. the period during which milk is secreted
WordReference Random House Learner's Dictionary of American English © 2024
lac•tate1 /ˈlækteɪt/USA pronunciation   v. [no object], -tat•ed, -tat•ing. 
  1. Physiologyto release milk through special glands.
lac•ta•tion /lækˈteɪʃən/USA pronunciation  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2024
lac•tate1  (laktāt),USA pronunciation v.i., -tat•ed, -tat•ing. 
  1. Physiologyto produce milk.
  • Latin lactātus, past participle of lactāre to suckle. See lact-, -ate1
  • 1885–90

lac•tate2  (laktāt),USA pronunciation n. [Chem.]
  1. Chemistryan ester or salt of lactic acid.
  • lact(ic acid) + -ate2 1785–95

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