n.

1. 变化；变动；变化的程度[C][U]
   Prices are subject to variation.

   价格可以变动。

2. 差别；差异[U][C]
3. 变形（物）；变种[C]
4. 【音】变奏曲[C][（+on）]
5. 【生】变异；变种[U][C]

n.

1. a change or slight difference in condition, amount, or level.
   ▸ (also magnetic variation) the angular difference between true north and magnetic north at a particular place.
2. a different or distinct form or version.
   ▸Music  a new but still recognizable version of a theme.
   ▸Ballet  a solo dance as part of a performance.