-blast. A suffix meaning an immature precursor cell of the type indicated by the preceding word. [G. blastos, germ]. immature precursor cell type; the cell type is denoted by the preceding syllables, e.g. osteoblast.
(plural defining moments) A moment in time that defines something, such as a person's success or failure, achievement or demise, talent, etc. A point at which the essential nature or character of a person, group, etc., is revealed or identified.
Moment of Inertia. Definition. In everyday speech, the word âmomentâ refers to a short amount. of time. In physics and engineering mechanics, moment is the. product of a quantity and the distance from that quantity to a given. point or axis. For example, in Statics, a force acting on a wrench.