らせん
Meanings
Noun
Math
1. helix
2. spiral
Pitch accent
せん
Composed of
small spiral-shelled snail; spiral shellfish
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
Used in vocabulary (3 in total)
logarithmic spiral; equiangular spiral