(mathematics) A Japanese system of algebra for polynomial equations, adopted from 天(てん)元(げん)術(じゅつ) (tengenjutsu)

astigmatism (defect of a lens)

decimal point, radix point

a unit of volume equal to 1,200 millet grains

personal

full-fledged, qualified, up to standard / adulthood, behaving like an adult or as a member of the society / Used other than figuratively or idiomatically: see 一人, 前. ("one person's portion")

a handful / a small amount

a bath (a single instance of taking a bath)

a (single) leaf / (figuratively) a (single) small boat / a (single) sheet (something thin: page, etc.)

a (single) branch of flowers / a (single) cloud