heating degree-day
noun
a degree-day below the standard temperature of 65°F or 19°C, used in estimating fuel consumption.
Compare
cooling degree-day,
growing degree-day.
Words nearby heating degree-day
heather,
heathery,
heathfowl,
heathy,
heating,
heating degree-day,
heating element,
heating pad,
heatproof,
heatstroke,
heaume