- the secretion or formation of milk.
- the period of milk production.
Origin of lactation
Examples from the Web for lactation
Certainly not in the same way that motherhood triggers contractions, lactation, and stretch marks.Does Fatherhood Make You Healthy?
September 29, 2011
Lactation has no appreciable effect on the number of leucocytes.Manual of Surgery
Alexis Thomson and Alexander Miles
It is a defect that is peculiar to individual animals and is liable to recur at approximately the same period in lactation.
At certain stages in lactation, a bitter salty taste is occasionally to be noted that is peculiar to individual animals.
Should she become a mother and nurse her child, this function of lactation would be the periodic function of the breasts.
Then, there were five years during which she did not perform the function of lactation, and yet, she did not lose this function.
- the secretion of milk from the mammary glands after parturition
- the period during which milk is secreted
Word Origin and History for lactation
1660s, "process of suckling an infant," from French lactation, from Late Latin lactationem (nominative lactatio) "a suckling," noun of action from past participle stem of lactare "suckle," from lac (genitive lactis) "milk," from PIE root *glakt- (cf. Greek gala, genitive galaktos, "milk"), which, along with *melg-, accounts for words for "milk" in most Indo-European languages (the absence of a common word for it is considered a mystery). Meaning "process of secreting milk from the breasts" first recorded 1857. Middle Irish lacht, Welsh llaeth "milk" are loan words from Latin.
- The secretion or formation of milk by the mammary glands.
- The period during which the mammary glands secrete milk.
- The secretion or production of milk by the mammary glands in female mammals after giving birth.