therm(redirected from -therm)
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A unit of heat used indiscriminately for: 1) a small calorie, 2) a large calorie, 3) 1000 large calories, 4) 100,000 British thermal units.
[G. thermē, heat]
therm(therm) [Gr. therme, heat]
Any of a several units of heat.See: MET