noun

Mathematics.
  1. identity.

Variations

Pronunciation Kanji Kana Is Common
恒等式 こうとうしき

Contained Kanji Breakdown

constancy, always
コウ つね つねに (7th, N1)
heart, standing heart radical variant (no. 61)
シン こころ
span, range, extend over
わた.る コウ わたる (Kentei Pre-1, N1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
daybreak, dawn, morning
タン あき.らか あきら (11th, N1)
day, sun, Japan
ひ にっ ニチ (1st, N5)
etc., and so forth, class (first)
トウ ひと.しい -ら (3rd, N3)
bamboo
たけ チク たか (1st, N2)
individual(個) variant
knife, wrapping enclosure(勹) variant
feathered stick, barb radical (no. 6)
ケツ かぎ (Kentei 1)
Buddhist temple
てら ジ (2nd, N2)
soil, earth, ground
ド つち は (1st, N5)
measurement, tenth of a shaku, a little
スン す みき (6th, N1)
style, ceremony, rite
シキ のり (3rd, N3)
piling, ceremony radical (no. 56)
ヨク いぐるみ (Kentei 1)
craft, construction, katakana e radical (no. 48)
コウ ク もく (2nd, N4)