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hotbox a metal bearing and its housing, as on a railroad car, that have been overheated by excessive friction of an axle.
hot-button producing strong feelings; emotionally charged.
hot cake a pancake.
hot cell an enclosure designed to house radioactive materials in a safe manner so they can be worked on or tested by remote control.
hot chocolate a beverage made of hot milk, sugar, and cocoa powder; cocoa.
hot cross bun a bunlike pastry marked with a cross of frosting, often associated with Lent.
hot dog a hot, cooked frankfurter or wiener usu. eaten in a soft bun. [3 definitions]
hotel a commercial establishment that provides overnight lodging, meals, and other services.
hotelier one who owns or manages a hotel.
hot flash a feeling of heat flooding over the body, esp. experienced by women during menopause.
hotfoot a practical joke in which a match is secretly placed between the sole and upper of someone's shoe and is lit. [3 definitions]
hotfoot it to move away with haste on foot, usually to avoid trouble or danger.
hothead a person who angers or loses his or her temper easily. [2 definitions]
hotheaded easily angered; quick-tempered. [2 definitions]
hothouse a heated glass building used to grow plants that require a constant warm temperature. [2 definitions]
hot line a direct communication system set up for use in times of emergency or crisis, esp. between heads of government. [2 definitions]
hotly in an angry or irritated manner.
hot pepper any of numerous peppers having sharp, pungent flesh ranging from mild to very hot. [2 definitions]
hot plate a small, usu. electric, portable appliance for cooking or heating food.
hot potato (informal) a problem or issue that is troublesome or esp. difficult to handle.
hot-press to apply pressure and heat on (a material), to produce a desired effect such as a smooth finish. [2 definitions]