Caloric

of or relating to calories:
the caloric content of food.
of or relating to heat.
(of engines) driven by heat.
high in calories:
a caloric meal.
heat.
Archaic. a hypothetical fluid whose presence in matter was thought to determine its thermal state.
Contemporary Examples

No Proof Paula Deen’s High-Fat Southern Cooking Caused Her Diabetes Paul Campos January 17, 2012
Eat Less, Live Longer? Susan B. Roberts June 17, 2011
The 30 Deadliest Pizza Slices The Daily Beast September 11, 2010
Frozen-Yogurt Shops Are Everywhere, but We Are Nowhere Near Saturation Daniel Gross July 18, 2013
How to Better Use Your Data January 7, 2014

Historical Examples

A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery Benziger Brothers
Human Foods and Their Nutritive Value Harry Snyder
The Knickerbocker, Vol. 10, No. 6, December 1837 Various
The Reason Why Anonymous
Diet and Health Lulu Hunt Peters

adjective
of or concerned with heat or calories
noun
(obsolete) a hypothetical elastic fluid formerly postulated as the embodiment of heat
n.