noun, takes genitive case の

  1. speciality, specialty, subject of study, expert, area of expertise.

Variations

Pronunciation Kanji Kana Is Common
専門 せんもん
專門 せんもん

Contained Kanji Breakdown

specialty, exclusive, mainly
セン もっぱ.ら (6th, N2)
ten fields
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
wherefore, a reason
ユウ ユ ユイ (3rd, N3)
rice field, rice paddy
た デン たん (1st, N4)
number one, line, rod radical (no. 2)
コン シ ジョ
measurement, tenth of a shaku, a little
スン す みき (6th, N1)
gate, counter for cannons
モン かど と (2nd, N2)