lactation

nouns

the period following birth during which milk is secreted
"lactation normally continues until weaning"
is derived from
is a type of (narrower)
an amount of time
"a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"
the production and secretion of milk by the mammary glands
is derived from
is a type of (narrower)
an organic process that takes place in the body
"respiratory activity"
feeding an infant by giving suck at the breast
is derived from