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(Medicine) med obsolete an agent that warms, such as a mustard plaster
[C17: from Latin calefaciēns, from calefacere to heat]
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|Adj.||1.||calefacient - producing the sensation of heat when applied to the body; "a mustard plaster is calefacient"|
hot - used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning; "hot stove"; "hot water"; "a hot August day"; "a hot stuffy room"; "she's hot and tired"; "a hot forehead"