annihilator
(əˈnaɪhɪleɪtə(r))
[f. annihilate v. + -or, as if a. L. *annihilātor.]
He who, or that which, annihilates or utterly destroys.
| 1698 Congreve Way of World iv. ix. (Jod.) Witwood, you are an annihilator of sense. 1841 Hor. Smith Moneyed Man III. xi. 325 Steam..the uniter of nations, the annihilator of distance. |
¶ Occas. in comb., as smoke-annihilator, etc.