(phonology) a long consonant; a geminate consonant

(obsolete, phonetics, phonology) Synonym of 子音 (shiin, “a consonant”)

(Japanese phonology) a mora with an onset consonant, such as か (ka) or が (ga)

(management) key performance indicators; KPI

(grammar) a verbal conjugation class consisting of five alternating bases: -a, -i, -u, -e, and -o

(Classical Japanese grammar) a verbal conjugation class consisting of four alternating bases: -a, -i, -u, and -e

(grammar) an abbreviation for 上二段活用; upper dual grade conjugation

(grammar) Short for 上一段活用 (kami ichidan katsuyō): upper monograde conjugation

(grammar) Short for 下二段活用 (shimo nidan katsuyō): lower bigrade conjugation

(grammar) The Classical Japanese bigrade verb conjugation class, consisting of the two subclasses of 上(かみ)二(に)段(だん)活(かつ)用(よう) (kami nidan katsuyō, “upper-bigrade conjugation”) and 下(しも)二(に)段(だん)活(かつ)用(よう) (shimo nidan katsuyō, “lower-bigrade conjugation”)