英和和英

Examples
One ton of TNT is 4.184 gigajoules (1 gigacalorie). A 1-kiloton bomb is comparable in effect to a thousand metric tons of TNT. A 50-megaton bomb is comparable in effect to fifty million metric tons of TNT. (This is about the size of the largest bomb detonated so far.) A 1-gigaton bomb would be comparable in effect to a billion metric tons of TNT. (No such bomb yet exists.)

TNT equivalent (plural TNT equivalents)

日英・英日専門用語辞書