exudation

英 [,eksjuː'deɪʃən] 美[,ɛksjʊ'deʃən]

• n. 渗出，渗出物；分泌，分泌物

1. a substance that oozes out from animal or plant pores

2. the process of exuding; the slow escape of liquids from blood vessels through pores or breaks in the cell membranes