Last Updated：2025/11/20

The secretion of milk from the mammary gland of a female mammal. / The process of providing the milk to the young; breastfeeding.

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lactation

Source Word

lactation

IPA(Pronunciation)

Noun

countable uncountable

Japanese Meaning

乳腺からの乳の分泌 / 若い子供に乳を与える行為、すなわち授乳

Research on lactation has improved our understanding of maternal health and infant nutrition.

乳汁分泌に関する研究は、母の健康と乳児の栄養に対する理解を深めました。

Sense（1）

The secretion of milk from the mammary gland of a female mammal.

Sense（2）

The process of providing the milk to the young; breastfeeding.

Sense（3）

The period of time that a mother lactates to feed her young; lactation period.

lactations

（ plural ）