Answer:

KCAL

Answer	Crossword Clue
KCAL	Heat energy meas.
KCAL	Heat amt. equal to 4,184 joules
KCAL	Nutritionist's abbr.

KCAL	Heat meas.
KCAL	Food energy unit: Abbr.
KCAL	Heat meas. that also names a major L.A. TV station
KCAL	1000 calories, for short
KCAL	Certain unit of heat, for short