invariant

invariant — adjective

1. remaining the same under all conditions; never changing in form, value, or quali

1.形容詞C1
釋義

remaining the same under all conditions; never changing in form, value, or quality

例句

The physical laws that Daichi studied in class are invariant across space and time.

invariant across [space/time]

One invariant rule of the lab is that all equipment must be returned before closing.

collocation: invariant rule

同義詞
  • constant

    more common and less formal; used freely in everyday and technical contexts

  • unchanging

    simpler and more direct; common in both casual and formal writing

  • unvarying

    similar formality to invariant but slightly less common; emphasizes lack of variation

反義詞
  • variable

    the direct opposite; something that changes or can be changed

  • changing

    simple everyday opposite

用法筆記

Typically used in formal, academic, or scientific contexts. Describes a property that stays the same across different conditions or over time, rather than a temporary lack of change.

常見錯誤

❌The weather has been invariant all week.
✅The weather has been steady all week.
💡'invariant' describes a fixed property across varying situations, not a period of no change.
❌She kept an invariant smile on her face.
✅She kept a fixed smile on her face.
💡'invariant' suggests a mathematical or scientific constancy, not a temporary physical state.