from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unit of weight or capacity equal to 1,000 metric tons.
- n. An explosive force equivalent to that of 1,000 metric tons of TNT.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A measure of the strength of an explosion or a bomb based on how many thousand tons of TNT would be needed to produce the same energy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. one thousand tons
- n. a measure of explosive power (of an atomic weapon) equal to that of 1000 tons of TNT
metric prefix kilo- + ton (Wiktionary)