Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
autacoid \autacoid\ n.
1. 1 any physiologically active internal secretion,
especially one of uncertain classification.
Syn: autocoid.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) [wn]:
autacoid
n 1: any physiologically active internal secretion especially
one of uncertain classification [syn: {autacoid},
{autocoid}]