polar
- IPA[ˈpōlər]
美式
- relating to the North or South Pole；(of an animal or plant) living in the north or south polar region
- the straight line joining the two points at which tangents from a fixed point touch a conic section.；a variable binary star which emits strongly polarized light, one component being a strongly magnetic white dwarf.
noun: polar, plural noun: polars
- 釋義
形容詞
- 1. relating to the North or South Pole the polar regions 同義詞
- ▪ (of an animal or plant) living in the north or south polar region most polar birds breed seasonally
- ▪ relating to the poles of a celestial body the polar radius of Jupiter is 66,550 km
- ▪ relating to a celestial pole.
- ▪ relating to the poles of a sphere.
- ▪ relating to the poles of a cell, organ, or part.
- 2. having electrical or magnetic polarity.
- ▪ (of a liquid, especially a solvent) consisting of molecules with a dipole moment.
- ▪ (of a solid) ionic.
- 3. directly opposite in character or tendency depression and its polar opposite, mania 同義詞
名詞
- 1. the straight line joining the two points at which tangents from a fixed point touch a conic section.
- 2. a variable binary star which emits strongly polarized light, one component being a strongly magnetic white dwarf.
