-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.
The Photo Moments system is a Software designed to assist Photographers in the process of the selection and ordering of photos captured from an event in an organized and efficient manner. This is an on-line site whereby each photographer can provide to his customers a display of the photos captured from an event.