俊人: a male given name

智人: a male given name / 智仁: a male given name

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

(physics) the Planck's constant

(algebra) constant term

(physics, chemistry) Avogadro's number, Avogadro constant (number of atoms present in 0.012 kilograms of isotopically pure Carbon-12)

(calculus) constant of integration - a constant term added to a particular antiderivative to make it represent its whole family of antiderivatives

single room

Alternative spelling of ヒトヒト (hitohito, “human-to-human”)

Alternative spelling of ヒトヒト (hitohito, “human-to-human”)