English Dictionary

spiral

IPA（発音記号）

/ˈspaɪɹəl/

形容詞

比較不可

Helical, like a spiral.

日本語の意味

螺旋状の / らせん形の

We climbed the spiral staircase to reach the museum's observation deck, where city lights unfurled beneath us.

私たちは博物館の展望デッキに到達するために螺旋状の階段を登り、下に街の灯りが広がっていました。

意味（1）

Helical, like a spiral.

The formation of tornados and water-spouts is very probably identical with that of dust-storms and devils, viz., a sudden disturbance of the vertical equilibrium of the atmosphere, where by an upward rush of air is generated, which rapidly becomes spiral.