準じゅん線せん
Meanings
Noun
Geometry
1. directrix
Kanji used
standard
line
Pitch accent
じゅ
んせん
じゅ
んせん
Composed of
semi-; quasi-; associate
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)
reference line; base line; baseline; datum line