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
exopterygota
- n subclass of insects characterized by gradual and usually incomplete metamorphosis
exorcist
- n one of the minor orders in the unreformed Western Church but now suppressed in the Roman Catholic Church
- n someone who practices exorcism
exordium
- n (rhetoric) the introductory section of an oration or discourse