EXTERIORITY
Ex*te`ri*or"i*ty, n. Etym: [Cf. F. extériorité.]

Defn: Surface; superficies; externality.

EXTERIORLY
Ex*te"ri*or*ly, adv.

Defn: Outwardly; externally; on the exterior. Shak.
They are exteriorly lifelike. J. H. Morse.

EXTERMINATE Ex*ter"mi*nate, v. t. [imp. & p. p. Exterminated(); p. pr. & vb. n. Exterminating().] Etym: [L. exterminatus, p. p. of exterminare to abolish, destroy, drive out or away; ex out + terminus boundary, limit. See Term.]

1. To drive out or away; to expel. They deposed, exterminated, and deprived him of communion. Barrow.

2. To destroy utterly; to cut off; to extirpate; to annihilate; to root out; as, to exterminate a colony, a tribe, or a nation; to exterminate error or vice. To explode and exterminate rank atheism. Bentley.

3. (Math.)

Defn: To eliminate, as unknown quantities. [R.]

EXTERMINATION
Ex*ter`mi*na"tion, n. Etym: [Cf. F. extermination.]