reflection

Kyūjitai form of 繁栄 (“prosperity”)

a portrait (as of a person) / an image, a picture

guard, patrol, escort

private (nongovernmental) management

vanguard (leading units of an army) / forward (player nearest to the opposing soccer team), lineman (playing position in football), or similar positions in tennis, volleyball, and other sports

(geometry) acute angle

electric ray

the forty-ninth day after a person dies / the Buddhist memorial service that occurs forty-nine days after a person dies

nanotechnology