(historical) Synonym of 准大臣 (Jun-daijin): title of an honorary grand minister equal to a vice-daijin; in the same honors between the 内大臣 (naidaijin, “minister of the center”) and the 大納言 (dainagon, “upper counselor”)

a courtesy name of Takashina no Kishi/Takako, Heian-period poet

the King of Na gold seal

(physics) infrasound

(phonetics) debuccalization

(historical) Hunmin Jeongeum (document introducing the Hangul script for Korean in 1446)

(linguistics) a historical consonantal shift of the Japanese language involving the kana は/ハ (ha), ひ/ヒ (hi), ふ/フ (fu), へ/ヘ (he), and ほ/ホ (ho)