乳: milk; breast; latex (milky substance in plants) / 父: one's own father; a father figure; the Christian God / 致知: the pursuit of knowledge; / 遅遅, 遅々: slowness, tardiness; a long day

遅遅, 遅々: to be late

乳, 父: a surname / 父子: a place name

日日: day by day

日日: every day, daily

(onomatopoeia, slang) sexy

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

A small pillow that is tied under the obi at the back which gives the obi musabi or "knot" its volume.