milky juice; latex
Technical term for the milky fluid found in certain plants, such as rubber trees. Often used in botanical or industrial contexts.
Latex is collected from rubber trees.
When you cut the stem of this plant, a white milky juice comes out.
Compound of 乳 (milk) + 状 (form, appearance) + 液 (liquid), literally 'milk-like liquid'. The reading is standard on'yomi.