-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.
(ËklaÉªmÃ¦ks) n. 1. the most intense or highest point of an experience or of a series of events: the party was the climax of the week. 2. (Theatre) a decisive moment in a dramatic or other work. 3. (Rhetoric) a rhetorical device by which a series of sentences, clauses, or phrases are arranged in order of increasing intensity.