inversion

反転、逆転

上下や内外をひっくり返したり、順序を逆にしたりすること。

やさしい英語で： The act of turning something upside down, inside out, or into the opposite order.

• The exercise requires inversion of the body.
• Inversion of the usual order changes the meaning.
• The camera software allows quick image inversion.

使い方： inversion of something (The inversion of the image made the writing unreadable.)

類義語： reversal

よく使う表現： inversion of order, complete inversion, image inversion

反転状態、逆転状態

上下や内外がひっくり返っている、または順序が逆になっている状態。

やさしい英語で： A state in which something is upside down, inside out, or in the opposite order.

• The diagram shows a state of inversion.
• The inversion of their roles lasted for several months.
• The sensor detects inversion when the device is upside down.

類義語： reversal

よく使う表現： state of inversion, complete inversion, inversion of roles

反転区間

ジェットコースターで乗客の体が逆さまになる区間。

やさしい英語で： A part of a roller coaster ride that turns riders upside down.

• The ride has one inversion.
• Passengers scream as they enter the first inversion.
• This roller coaster has six inversions and a steep drop.

よく使う表現： coaster inversion, first inversion, inversion element

転回

二つの音の一方を一オクターブ上下させ、高低の順序を逆にすること。

やさしい英語で： Moving one of two musical notes up or down an octave so their order is reversed.

• Inversion changes a third into a sixth.
• The teacher demonstrated inversion by moving the lower note up an octave.
• We practised interval inversions on the piano.

よく使う表現： interval inversion, inversion of an interval