lactation 1660s, "process of suckling an infant," from Fr. lactation, from L.L. lactationem (nom. lactatio) "a suckling," noun of action from pp. stem of lactare "suckle," from lac (gen. lactis) "milk," from PIE root *glakt- (Cf. Gk. gala, gen. galaktos, "milk"), which, along with *melg-, accounts for words for "milk" in most IE languages (the absence of a common word for it is considered a mystery). Meaning "process of secreting milk from the breasts" first recorded 1857. M.Ir. lacht, Welsh llaeth "milk" are loan words from Latin.

Etymology dictionary. 2014.

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  • lactation — [ laktasjɔ̃ ] n. f. • 1623; bas lat. lactatio ♦ Physiol. Sécrétion et écoulement du lait chez la femme et les femelles des mammifères après la parturition. La prolactine, hormone de la lactation. Par ext. Période de l allaitement (chez les… …   Encyclopédie Universelle

  • Lactation — Lac*ta tion, n. The secretion and yielding of milk by the mammary gland; giving suck. [1913 Webster] …   The Collaborative International Dictionary of English

  • Lactatĭon — (v. lat.), 1) die Absonderung der Milch in den Brustdrüsen; 2) Ernährung mit Milch; 3) Säugung …   Pierer's Universal-Lexikon

  • Lactation — Lactation, lat. dtsch., die organische Milchabsonderung; das Säugen. Lactinien, aus Milch bereitete Stoffe z.B. Käse, Butter …   Herders Conversations-Lexikon

  • lactation — ► NOUN 1) the secretion of milk by the mammary glands. 2) the suckling of young …   English terms dictionary

  • lactation — [lak tā′shən] n. [LL lactatio: see LACTATE] 1. the secretion of milk by a mammary gland 2. the period during which milk is secreted 3. the suckling of young lactational adj …   English World dictionary

  • Lactation — Kittens nursing Lactation of …   Wikipedia

  • lactation — lactational, adj. lactationally, adv. /lak tay sheuhn/, n. 1. the secretion or formation of milk. 2. the period of milk production. [1660 70; < LL lactation (s. of lactatio) a giving suck. See LACTATE1, ION] * * * Production of milk by female… …   Universalium

  • Lactation — La lactation est une fonction physiologique de la femme et des femelles de mammifères qui se traduit par la sécrétion de lait par les glandes mammaires après la parturition. La lactation est déclenchée et entretenue par une hormone produite par l …   Wikipédia en Français

  • Lactation — The process of milk production. Human milk is secreted by the mammary glands, which are located within the fatty tissue of the breast. The hormone oxytocin is produced in response to the birth of a new baby, and it both stimulates uterine… …   Medical dictionary

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