Meaning
An explosive made up of ammonium nitrate, trinitrotoluene, and aluminium powder.
Etymology
Origin: Unknown
From ammon(ium) + al(uminium).
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 2019, 2020, 2021, 2022, 2023, 2025.