invariable

/in'veəriəbl/

Thân thiện

The scientist records the invariable temperature in the controlled environment.

Definition

1. Adjective:

   • Not liable to or capable of change: Describes something that remains constant, fixed, or unvarying.
   • Always the same: Indicates a quality, rule, or condition that is consistent and does not alter.

2. Noun:

   • A quantity that does not vary: (Primarily in mathematics and science) A constant; a factor, number, or element that remains the same.

Usage and Examples

• Adjective:

  • The experiment requires an invariable temperature to ensure accurate results.
  • Her invariable kindness made her beloved by everyone.
  • It is an invariable rule of the house that shoes are removed at the door.

• Noun:

  • In this equation, 'c' represents an invariable, the speed of light.
  • The scientist identified several invariables in the chemical reaction.

Advanced Usage

• As a formal or technical term: Often used in scientific, mathematical, or formal contexts to describe constants or unwavering principles.
  • The laws of physics are considered invariable under these conditions.
• To emphasize unwavering habit or nature: Used to describe a personal trait or practice that is remarkably consistent.
  • He began his day with the invariable routine of coffee and the newspaper.

Variants and Related Words

• Invariably (adverb): Always; without exception.
  • She is invariably punctual.
• Invariance (noun): The property of being invariable or unchanging.
  • The theory discusses the invariance of physical laws.
• Invariant (adjective/noun): A closely related term, often used interchangeably in technical contexts, especially in mathematics and physics, to describe something unchanged by a transformation.

Synonyms

• Constant: Unchanging over time.
• Fixed: Securely placed or established; not subject to change.
• Unchanging: Remaining the same.
• Steady: Regular, even, and unwavering.
• Immutable: Unchanging over time or unable to be changed.

Antonyms

• Variable: Liable to change; not constant.
• Changeable: Able to change or be changed.
• Fluctuating: Rising and falling irregularly.
• Inconstant: Frequently changing; not loyal.

Notes on Usage

• The adjective form is far more common in general use than the noun form.
• When used as a noun, it is typically in specialized academic or technical writing. In everyday language, words like "constant" are more frequent for the noun sense.
• It often carries a connotation of reliability, predictability, or strict adherence to a rule.

Học thuật

Adjective

1. not liable to or capable of change
   • an invariable temperature
   • an invariable rule
   • his invariable courtesy

Noun

1. a quantity that does not vary

Từ đồng nghĩa

• constant
• constant quantity