n.
Pronunciation: ˌ e-l ə - ' do ̇ i-s ə n
Function: noun
Etymology: irregular from New Latin Eledone, from Greek eled ō n ē , a kind of octopus
Date: 1963
: a small protein C 54 H 85 N 13 O 15 S from the salivary glands of several octopuses (genus Eledone ) that is a powerful vasodilator and hypotensive agent