(biology, informal, transitive) Alternative letter-case form of blast (to run a sequence through BLAST)

present participle of blast off

abrasive blasting using metal shot rather than sand

Alternative form of blasting gelatin

gelignite

present participle of blast away

(cytology) A cell that produces something, such as a fibroblast or osteoblast. / An undifferentiated or immature cell.

(firearms) A flash of light, heat and smoke at the muzzle of a firearm, caused by escaping gases when a projectile is released.

preheated air blown into a blast furnace

(metallurgy) forge in which ore is smelted to metal, the process being intensified by a blast of hot air. / (metallurgy) as above, but specifically a forge where the fuel and the ore are intermixed.