- A small common finch(Passerina cyanea) of North and Central America, the male of which has deep blue plumage. 靛蓝鵐：一种常见的雀科小鸣鸟（小麻雀属 靛蓝彩鵐） 产于中北美洲，雄鸟具有深蓝色的羽毛
- linear combination
- linear dependence
- linear equation
- linear independence
- linearize
- linearized
- linearizes
- linearizing
- linear measure
- linear momentum
- linear perspective
- linear perspective
- lineation
- lineations
- linebacker
- line breeding
- linecaster
- line cut
- lined
- line dance
- line drawing
- line drive
- line engraving
- Line Islands
- line item