oxford views updated May 23 2018
ef·fu·sion / iˈfyoōzhən/ •
n. an instance of giving off something such as a liquid, light, or smell: a massive effusion of poisonous gas. ∎ Med. an escape of fluid into a body cavity. ∎ an act of talking or writing in an unrestrained or heartfelt way: literary effusions.DERIVATIVES: ef·fuse v.
oxford views updated May 18 2018
pouring out or forth, shedding (of blood). XV. — (O)F. — L. effūsiō
, f. effundere
; see EF-
oxford views updated Jun 11 2018
effusion (i-few-zhŏn) n. 1.
the escape of pus, serum, blood, lymph, or other fluid into a body cavity. 2.
fluid that has escaped into a body cavity.