ˈga(ˌ)brō noun
( -s )
Etymology: Italian, probably modification of Latin glaber bare, smooth — more at glad
: a rock of a family of granular igneous rocks composed essentially of calcic plagioclase (as labradorite), a ferromagnesian mineral (as augite, hypersthene, olivine, or hornblende), and accessory minerals (as apatite, magnetite, ilmenite)
• gab·bro·ic (ˈ)ga|brōik adjective
• gab·bro·it·ic | ̷ ̷(ˌ) ̷ ̷|id.ik adjective