How to say "stationary" in Japanese

• 定常ていじょう
  na-adjective, no-adjectiveCovers 'stationary' in the technical sense of an unchanging state or process, as in physics, engineering, and statistics; it describes conditions that do not vary over time, not objects held in place.
• 静態せいたい
  no-adjectiveA noun for a static, motionless state, typically contrasted with dynamic or moving conditions; use it when 'stationary' means stillness as a state of affairs rather than an object fixed in position.
• 据え置き型すえおきがた
  no-adjectiveDescribes equipment designed to stay in one place rather than be carried around, such as desktop computers and home game consoles; this is the word for 'stationary' when contrasting with portable devices.
• 据え置きすえおきCommon
  no-adjectiveThis is seldom the word you want for 'stationary': it mainly means leaving something unchanged or deferring it, and it also describes things unredeemed or irredeemable.
• 定置ていち
  no-adjectiveRefers to something fixed or installed in place, a usage found chiefly in technical and industrial contexts; it suits fixed installations, not everyday talk about objects that are not moving.

Choose 定常 for unchanging states in scientific contexts, 静態 for stillness as opposed to movement, 「据え置き型」 for non-portable equipment, 定置 for fixed installations, and avoid 「据え置き」, which mainly means deferred or unredeemed.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 定常ていじょうregular
• 静態せいたいstatic
• 据え置き型すえおきがたdesktop (computer)
• 据え置きすえおきunredeemed
• 定置ていちfixed