latex
/ˈleɪteks/noun
(pl. latexes 或latices /ˈlætɪsiːz/)［mass noun］
1- a milky fluid found in many plants, such as poppies and spurges, which exudes when the plant is cut and coagulates on exposure to the air. The latex of the rubber tree is the chief source of natural rubber.（植物）胶乳, 树乳; 橡浆。
1.1
- a synthetic product resembling this consisting of a dispersion in water of polymer particles, used to make paints, coatings, and other products（制造油漆及涂料等用的）合成乳胶。
词源
mid 17th cent. （denoting various bodily fluids， especially the watery part of blood）： from Latin， literally 'liquid， fluid'.