one

biocentrism (cosmological theory)

Synonym of 地動説 (chidōsetsu, “heliocentrism”)

Synonym of 天動説 (tendōsetsu, “geocentrism”)

experimental study

accidentally (unexpectedly, unintentionally)

(slang) person of strong vanity

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

(literally) one side / everywhere, all around, the whole area / one viewpoint, one opinion or way of thinking / the front page of a newspaper

for the time being, for the present