Kyūjitai form of 一体: on earth, the heck, in the world (used for emphasis and to express incredulity)

Kyūjitai form of 単一 (“independence; homogeneity”)

Kyūjitai form of 単一 (“independent; single; homogenous”)

a grain (of rice); a drop (of rain)

one case, one matter

one small animal

one dog

One slice or cut of something.

one shaku and one sun

in ancient China, the paperboard on which the imperial decree was written, or the imperial decree