installation

noun

in·​stal·​la·​tion ˌin(t)-stə-ˈlā-shən 

1

: the act of installing : the state of being installed

2

: something that is installed for use

3

: a military camp, fort, or base

4

: a work of art that usually consists of multiple components often in mixed media and that is exhibited in a usually large space in an arrangement specified by the artist

Synonyms of installation

• inauguration
• inaugural
• initiation

Examples of installation in a Sentence

The cable company offers lower prices and free installation.

These products are designed for easy installation.

Her installation as president will take place tomorrow.

The room contained the company's large computer installation.

Recent Examples on the Web

The dashboard collects information on energy consumption, greenhouse gas emissions, water use, waste management, workforce demographics and renewable-energy installations. — Alexandra Harrell, Footwear News, 21 Oct. 2026

Even the sales gallery for the building was a spectacle, with an art installation by set designer Es Devlin. — Kim Velsey, Curbed, 21 Oct. 2026

Bvlgari’s Passing the Light campaign includes an installation made of 4,500 terracotta pieces. — Sujata Assomull, Vogue, 21 Oct. 2026

Small modular reactors could go further, supplying dependable power close to military installations, advanced manufacturing facilities, and AI data centers. — Dr. Sarah Kapnick, semafor.com, 20 Oct. 2026

Word History

First Known Use

1543, in the meaning defined at sense 1

Rhymes for installation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

installation

noun

in·​stal·​la·​tion ˌin(t)-stə-ˈlā-shən 

1

: the act of installing : the state of being installed

2

: something installed for use

3

: a military base

4

: a work of art that consists of multiple pieces arranged in a large space