noun
Sweetened, thick milk product used in desserts and drinks. Often refers to sweetened condensed milk (加糖練乳).
練乳をかき氷にかけて食べる。
I pour condensed milk over shaved ice and eat it.
このレシピでは練乳を使います。
This recipe uses condensed milk.
Compound of 練 (ren, 'knead, refine') and 乳 (nyū, 'milk'), literally 'refined milk'. The term describes milk that has been condensed and often sweetened.