blasto-

(redirected from blast-)
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Related to blast-: have a blast

blasto-

[′blas·tō]
(embryology)
A germ or bud, with reference to early embryonic stages of development.
(petrology)
A prefix indicating the presence in a rock of residual structures somewhat modified by metamorphism.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.