in·stal·la·tion 
(ĭn′stə-lāshən)
(ĭn′stə-lāshən)n.
1.
a. The act of installing.
b. The state of being installed. Also called installment2.
2. A system of machinery or other apparatus set up for use.
3. A permanent military base.
4. An example of installation art.
- Line Islands
- line item
- line-item veto
- lineman
- linen
- line of credit
- line officer
- line of force
- line of scrimmage
- line of sight
- lineolate
- line (one's) pockets
- line one's pockets
- line-out
- line pockets
- line printer
- liner
- liner
- linerboard
- liner notes
- line score
- linesman
- line spectrum
- line squall
- line storm