非正規数 ひせいきすう Meanings Noun subnormal number; denormal number; denormalized number See also: 非正規化数 (ひせいきかすう). Kanji 非 non-. Read as ヒ. 正 correct. Read as セイ. 規 rule 数 number. Read as スウ. Word lists Computing Jinuma: Japanese Dictionary · Word lists