螺旋状 (rasenjou) Japanese meaning: helical | KotomoraDNA has a helical structure.
I climbed the spiral staircase.
Written forms
螺旋状
らせん状
Mixed kana-kanji spelling; common when the first kanji is considered difficult.
Etymology
Compound of 螺旋 (rasen, 'spiral') + 状 (jō, '-shaped').