Meaning
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. (A derived unit for TNT equivalent.)
Etymology
Origin: Unknown
From kilo- + ton.
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2018, 2019, 2020, 2021.