installation
n. C / Un. the act of putting a new piece of equipment or software in place so it is ready to use. It can also mean a large piece of modern art that is built inside a room or gallery.
n. the process of setting up a system, machine, or software for use; alternatively, a site-specific work of three-dimensional art. Often refers to the physical placement and connection of technical components.
The installation of the new heating system takes two days.
The technician completed the software installation and then showed the staff how to use the new features.
The museum's latest installation occupies the entire central atrium, using light and sound to create an immersive experience for visitors.
From Middle French installation, from Medieval Latin installātiō. By surface analysis, install + -ation. Compare with Piedmontese istallassion.
Uncountable when referring to the general process of setting something up; countable when referring to a specific piece of art or a military base.