obi - the sash worn with a kimono / paper wrapper (on books, CD, etc.)

band, belt

belt / sash / band / girdle

(Internet slang) to be hilarious

faint, dim, vague, unclear

Alternative spelling of 希ガス (ki-gasu, “noble gas”)

a female given name

black belt

(physics) conduction band; a range of electron energies in an insulator or semiconductor in which electrons can move freely and transport charge.

(physics) valence band; a highest range of electron energies in an insulator or semiconductor that can be populated; it corresponds to the valence electrons of the constituent atoms