1. Unknown to most people

See also: unknown

• line single
• line spectrum
• line squall
• line storm
• line triple
• line worker
• line-at-a-time printer
• line-drive double
• line-drive single
• line-drive triple
• line-out
• line-shooter
• line-shooting
• lineage
• lineal
• lineally
• lineament
• linear
• Linear A
• linear accelerator
• linear algebra
• Linear B
• linear equation
• linear leaf
• linear measure