COLOPHONY, noun In pharmacy, black resin or turpentine boiled in water and dried; or the residuum, after distillation of the etherial oil of turpentine, being further urged by a more intense and long continued fire. It is so named from Colophon in Ionia, whence the best was formerly brought.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI