Definition of "kcal" []

• Kilocalorie (abbreviation)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The figure shows a parabola which illustrates the connection between reaction speed (on a logarithmic scale) and driving force (expressed in kcal/mol) for an electron transfer reaction."
• "Hydrogen sulfide, for example, reacts with four molecules of FOOF to give sulfur hexafluoride, 2 molecules of HF and four oxygens. . .and 433 kcal, which is the kind of every-man-for-himself exotherm that you want to avoid at all cost."
• "After all, it takes only a couple of 16 ounce fatty steaks to provide 3000 kcal, which is a whole lot easier to down than 3 gallons of blackberries."