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じゅんせん
Meanings
Noun
Geometry
1. directrix
Alt. forms
準
じゅん
線
せん
じゅんせん
Pitch accent
じゅ
んせん
じゅ
んせん
Composed of
じゅん
semi-; quasi-; associate
せん
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
Used in vocabulary (1 in total)
き
じゅんせん
reference line; base line; baseline; datum line