format, book size / size of a sheet of paper used for ukiyoe

(slang) "mass-production-type", describing a girl who follows fast fashion trends; but also used to describe a fashion of bright pink cutesy clothing, doll-like makeup, brunette hair, etc. often treated as an antithesis to 地雷系

(paleontology) index fossil

curtain / act

membrane; film

wheat / barley

(historical) shogunate (the government under a shogun) / (historical) the tents or encampment of the commanders of a military force in the field

a firecracker

Clipping of 水素爆弾 (suiso bakudan, “hydrogen bomb”); H-bomb

explosive, explosive compound, blasting powder