- [uncountable, countable]
the act of fixing equipment or furniture in position so that it can be used 安装；设置 - [countable]
a piece of equipment or a machine that has been fixed in position so that it can be used 安装的设备（或机器） a heating installation 供暖装置
- [uncountable]
the act of putting a new program onto a computer 将新程序放入电脑的行为 installation of the software 软件安装
- [countable]
a place where specialist equipment is kept and used 设施 a military installation 军事设施
- [uncountable]
the act of placing somebody in a new position of authority, often with a ceremony 就职；就职仪式 the installation of the new chancellor 新总理的就职
- [countable] (
art 美术 a piece of modern sculpture that is made using sound, light, etc. as well as objects 现代雕塑装置（除物体外用声、光等元素）
Word Originlate Middle English: from medieval Latin installatio(n-), from the verb installare, from in- ‘into’ + stallum ‘place, stall’.