exonuclease
- n a nuclease that releases one nucleotide at a time (serially) beginning at one of a nucleic acid
exophthalmic goiter
- n exophthalmos occurring in association with goiter; hyperthyroidism with protrusion of the eyeballs
exon
- n sequence of a gene's DNA that transcribes into protein structures
exons are interspersed with introns
exoneration
- n the condition of being relieved from blame or obligation
- n the act of vindicating or defending against criticism or censure etc.
exopterygota
- n subclass of insects characterized by gradual and usually incomplete metamorphosis