| a fool or simpleton; ninny. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| thermostat (thûr'mə-stāt') Pronunciation Key
A device that automatically controls heating or cooling equipment in such a way as to maintain a temperature at a constant level or within a specified range, generally using a thermometer capable of triggering electrical switches that activate or deactivate the equipment. |
A device that monitors and automatically responds to changes in temperature and activates switches controlling devices such as furnaces or air conditioners.