| ASTRONAVIGATOR | • astronavigator n. One who performs astronavigation; an astronaut or space pilot. • ASTRONAVIGATOR n. one who practises astronavigation. |
| BRONCHODILATOR | • bronchodilator n. (Medicine) Any drug used to dilate and relax the bronchial passages and ease the flow of air to the lungs. • BRONCHODILATOR n. a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages. |
| COINVESTIGATOR | • coinvestigator n. One who takes part in a joint investigation. • COINVESTIGATOR n. a joint investigator. |
| DECONTAMINATOR | • decontaminator n. A device that decontaminates. • DECONTAMINATOR n. something that decontaminates. |
| DENITRIFICATOR | • denitrificator n. Synonym of denitrator. • DENITRIFICATOR n. an agent that denitrifies. |
| DIFFERENTIATOR | • differentiator n. Anything that differentiates, or causes differentiation (in any sense); a distinguishing feature. • DIFFERENTIATOR n. someone who or that which differentiates. |
| DISARTICULATOR | • disarticulator n. One who disarticulates and prepares skeletons. • DISARTICULATOR n. a device for disarticulating joints. |
| EXCOMMUNICATOR | • excommunicator n. One who excommunicates. • EXCOMMUNICATOR n. one who excommunicates. |
| MINICALCULATOR | • MINICALCULATOR n. a very small handheld calculator. |
| PROCRASTINATOR | • procrastinator n. One who procrastinates; one who delays working on things. • PROCRASTINATOR n. one who procrastinates. |
| PROGNOSTICATOR | • prognosticator n. One who prognosticates or makes predictions; one who forecasts or guesses. • PROGNOSTICATOR n. one who prognosticates. |
| TRANSLITERATOR | • transliterator n. One who transliterates. • TRANSLITERATOR n. one who transliterates. |
| TURBOGENERATOR | • turbogenerator n. A turbine directly connected to an electric generator in order to generate power. • turbo-generator n. Alternative form of turbogenerator. • TURBOGENERATOR n. an electric generator driven by a turbine. |