noun
also coe·ru·lig·nol ˌsē(ˌ)rü|lig|nȯl, -ōl
( -s )
Etymology: ceru- (from Latin caeruleus ) + Latin lign um wood + English -ol; probably from the color which its alcoholic solution gives with barium hydroxide — more at ligneous
: a colorless oily phenol C 10 H 14 O 2 of burning taste obtained from wood-tar oils