| ASSASSINATOR | • assassinator n. An assassin. • ASSASSINATOR n. one who assassinates. |
| CONTAMINATOR | • contaminator n. A person who contaminates. • contaminator n. A thing that contaminates; a contaminant. • CONTAMINATOR n. one who contaminates. |
| DECARBONATOR | • DECARBONATOR n. an apparatus or removing carbon dioxide. |
| DETERMINATOR | • determinator n. A determining factor. • determinator n. (Obsolete) One who determines. • DETERMINATOR n. something that determines. |
| DISSEMINATOR | • disseminator n. One who, or that which, disseminates. • DISSEMINATOR n. one who disseminates. |
| EXTERMINATOR | • exterminator n. Someone or something that exterminates. • exterminator n. Specifically, a person whose job it is to kill insects and other pests in a building. • EXTERMINATOR n. one who exterminates. |
| FRACTIONATOR | • fractionator n. (Chemistry) A piece of chemical engineering or laboratory apparatus that is used to separate the components… • FRACTIONATOR n. a plant for carrying out fractional distillation. |
| HALLUCINATOR | • hallucinator n. One whose judgment and acts are affected by hallucinations; one who errs on account of his hallucinations. • hallucinator n. One who experiences hallucinations. • HALLUCINATOR n. one who hallucinates. |
| HYDROGENATOR | • hydrogenator n. (Chemistry) A device that hydrogenates. • HYDROGENATOR n. an agent that hydrogenates. |
| IMPERSONATOR | • impersonator n. One who fraudulently impersonates another person. • impersonator n. An entertainer whose act is based upon performing impressions of others. • IMPERSONATOR n. one who impersonates. |
| INCRIMINATOR | • incriminator n. One who incriminates. • INCRIMINATOR n. one who incriminates. |
| MISCEGENATOR | • miscegenator n. Somebody who breeds with a person of another race. • MISCEGENATOR n. a person who favours or practises miscegenation, also MISCEGENIST. |
| PEREGRINATOR | • peregrinator n. One who peregrinates; one who travels about. • PEREGRINATOR n. someone who travels about. |
| PREDOMINATOR | • predominator n. One who predominates. • PREDOMINATOR n. one who predominates. |
| RATIOCINATOR | • ratiocinator n. One who ratiocinates; a reasoner. • RATIOCINATOR n. one who ratiocinates, reasons or argues logically. |
| RECRIMINATOR | • recriminator n. One who recriminates. • RECRIMINATOR n. one who recriminates. |
| SUBORDINATOR | • subordinator n. (Grammar) Any of a lexical class of words that join clauses at a subordinate syntactic level. • subordinator n. One who subordinates, or reduces the status of, another person. • SUBORDINATOR n. one that subordinates. |