How to say "spiral" in Japanese

• 螺旋らせんCommon
  nounThe word for a spiral as a geometric curve or three-dimensional helix. It fits mathematical, scientific, and technical description of spiral forms.
• スパイラルCommon
  nounThe loanword, borrowed directly from English 'spiral'. It covers the same sense as 螺旋 and tends to appear in technical, mathematical, or design contexts where the English term itself would feel natural.
• 渦巻きうずまきCommon
  nounA spiral as a concrete shape or pattern, with the image of something swirling or coiling. It suits visible swirls and drawn spirals rather than abstract senses of 'spiral'.

Use 螺旋 for a spiral or helix as a form, especially in technical description; 「スパイラル」 is the loanword for the same idea where English phrasing feels natural; 「渦巻き」 is a spiral as a visible swirling shape or pattern.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 螺旋らせんspiral
• スパイラルspiral
• 渦状かじょうspiral
• 渦巻き形うずまきがたspiral (shape)
• ループ線ループせんspiral (railway)
• 渦巻き線うずまきせんspiral
• ループラインspiral (railway)
• 渦巻き状うずまきじょうspiral
• 螺旋体らせんたいspiral
• 渦巻きうずまきspiral (shape, pattern)
• 螺線らせんspiral
• ループspiral