What does "invariant" mean?
An invariant quantity, function etc.
Invariant
adj, noun
adj, noun ·4 syllables ·Uncommon ·College level
Meaning at a glance
- Primary sense: An invariant quantity, function etc.
- Grammar: invariant is listed as adj, noun.
- Nearest alternatives: algebraic invariant, changeless, conserved properties, conserved property.
- Useful contrasts: contrastive cue, covariant, nonconserved property.
- Usage evidence: This is also an invariant of history. Gallic disappeared because Gallic elites were quick to send their children to the Roman school. In the same way, provincial elites later taught their offspring French at the expense of the regional languages. The ruling classes are often the first to adopt the language of the invader. They do the same today with English.
How to use "invariant"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "invariant" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "invariant" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "invariant" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "invariant" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "invariant" is acting as adj, noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "algebraic invariant" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "invariant", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 An invariant quantity, function etc.
"In the present paper this criterion is reformulated in terms of pseudotensorial invariants of the form.."
- 2 a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it wordnet
- 3 Ellipsis of class invariant. abbreviation, alt-of, ellipsis
Adjective
- 1 Not varying; constant.
- 2 Unaffected by a specified operation, especially by a transformation.
"The fundamental 2-tensor also leads to a new class of invariant linear differential operators that are canonically associated to these geometries; included is a third equation studied by Gallot et al. We apply the results to study the metrisability equation, in the nullity setting described."
- 3 Neither covariant nor contravariant.
Adjective
- 1 unvarying in nature wordnet
- 2 unaffected by a designated operation or transformation wordnet
Synonyms
All synonyms algebraic invariantchangelessconserved propertiesconserved propertyconserved quantitiesconserved quantity
Antonyms
Example
"This is also an invariant of history. Gallic disappeared because Gallic elites were quick to send their children to the Roman school. In the same way, provincial elites later taught their offspring French at the expense of the regional languages. The ruling classes are often the first to adopt the language of the invader. They do the same today with English."
Common questions
What is a synonym for "invariant"?
Common synonyms include: algebraic invariant, changeless, conserved properties, conserved property, conserved quantities, conserved quantity.
How do you use "invariant" in a sentence?
This is also an invariant of history. Gallic disappeared because Gallic elites were quick to send their children to the Roman school. In the same way, provincial elites later taught their offspring French at the expense of the regional languages. The ruling classes are often the first to adopt the language of the invader. They do the same today with English.
Etymology
From in- + variant.