Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
weapons-grade is an adjective meaning "of a quality adequate for use in weapons (especially in weapons of mass destruction)". It carries 2 recorded senses.
of a quality adequate for use in weapons (especially in weapons of mass destruction)
“weapons-grade plutonium”
“weapons-grade anthrax”
extremely strong or concentrated or durable
“industrial-strength detergent”
“weapons-grade salsa”
Definitions, synonyms and semantic relations for weapons-grade come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.