| -blast | |
| —n combining form | |
| (in biology) indicating an embryonic cell or formative layer: mesoblast | |
| [from Greek blastos bud] | |
| a chattering or flighty, light-headed person. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
-blast suff.
An immature, embryonic stage in the development of cells or tissues: erythroblast.