Word: heat Part of Speech: noun Etymology: From Middle English hete, from Old English hǣtu, from Proto-West Germanic *haitī, from Proto-Germanic *haitį̄ (“heat”), from Proto-Indo-European *keHy- (“heat; hot”). Cognate with Scots hete (“heat”), Saterland Frisian Hatte (“heat”), Old High German heizī (“heat”). Related also to Dutch hitte (“heat”), German Hitze (“heat”), Swedish hetta (“heat”), Faroese and Icelandic hiti (“heat”). Related to hot. Pronunciation: /ˈhiːt/, [ˈhɪi̯t] 1. Thermal energy. Labels: uncountable Example: Heat and temperature, although different, are intimately related. [...] For example, suppose you added equal amounts of heat to equal masses of iron and aluminum. How do you think their temperatures would change?[…]if the temperature of the iron increased by 100 C°, the corresponding temperature change in the aluminum would be only 48 C°. Example: Heat limits the length and intensity of ship-to-ship combat. Starships generate enormous heat when they fire high-energy weapons, perform maneuvering burns, and run on-board combat electronics. In combat, warships produce heat more quickly than they can disperse it. As heat builds within a vessel, the crewed spaces become increasingly uncomfortable. Before the heat reaches lethal levels, a ship must win or retreat by entering FTL. After an FTL run, the ships halts, shuts down non-essential systems, and activates the heat radiation gear. 2. The condition or quality of being hot. Labels: countable, uncountable Example: Stay out of the heat of the sun! 3. An attribute of a spice that causes a burning sensation in the mouth. Labels: uncountable Example: The chili sauce gave the dish heat. 4. A period of intensity, particularly of emotion. Labels: uncountable Example: It's easy to make bad decisions in the heat of the moment. 5. An undesirable amount of attention. Labels: uncountable Example: The heat from her family after her DUI arrest was unbearable. 6. A fastball. Labels: countable Example: The catcher called for the heat, high and tight. 7. A condition in which a mammal is aroused sexually or where it is especially fertile and therefore eager to mate. Labels: uncountable Example: The male canines were attracted by the female in heat. 8. A condition in which a mammal is aroused sexually or where it is especially fertile and therefore eager to mate. Labels: countable, slang Example: Some stories engage in dub-con scenarios where one or both partners are out of their minds with heat lust and lose all reasoning and inhibitions. Example: When Yuri goes into his first heat, it is not only an uncomfortable and traumatic physical experience, it is also an identity crisis: this is the moment realizes that he is an omega, and not a beta as he had previously assumed. 9. A condition in which a mammal is aroused sexually or where it is especially fertile and therefore eager to mate. Labels: countable, endearing, slang, uncountable 10. A condition in which a mammal is aroused sexually or where it is especially fertile and therefore eager to mate. Labels: countable, slang, uncountable 11. A preliminary race, used to determine the participants in a final race. Labels: countable Example: The runner had high hopes, but was out of contention after the first heat. 12. A stage in a competition, not necessarily a sporting one; a round. Labels: broadly, countable Example: The first heat of the Rotary Young Chef Competition went underway on Monday 16th December… 13. One cycle of bringing metal to maximum temperature and working it until it is too cool to work further. Labels: countable Example: I can make a scroll like that in a single heat. Example: The smiths themselves were a grand lot of fellows, full of a robust, and sometimes Rabelaisian sense of humour, and between "heats," they could be most entertaining. 14. A hot spell. Labels: countable Example: The children stayed indoors during this year's summer heat. 15. Heating system; a system that raises the temperature of a room or building. Labels: uncountable Example: I'm freezing; could you turn on the heat? Example: The couple's sustainability efforts also included installing radiant heat under the concrete-slab floor. 16. The output of a heating system. Labels: uncountable Example: During the power outage we had no heat because the controls are electric. Older folks like more heat than the young. 17. A violent action unintermitted; a single effort. Labels: countable Example: …many pauses are required for refreshment betwixt the heats…. 18. The police. Labels: slang, uncountable Example: The heat! Scram! Example: What a field day for the heat / A thousand people in the street 19. One or more firearms. Labels: slang, uncountable Example: You carrying heat?" "You saw me unload the pistol," Hugo said. "It's in the waistband. And the kitchen knife. I need that for eating. Example: Evidently, he wasn't carrying heat with him at the time." "Civilized place like Rome, why bother?" Granger observed. 20. Stylish and valuable sneakers. Labels: slang, uncountable Example: Whoa, that guy is rocking some serious heat. Example: Even the boy bands had heat. 21. A negative reaction from the audience, especially as a heel (or bad character), or in general. Labels: countable, slang, uncountable