Speakur

Word Pronunciation & Dictionary

contravariance

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
con-travari-ance
IPA
21
Scrabble Score
14
Letters
3
Syllables
9
Unique Chars

Meaning

noun

The reversal of the order of data types acted upon by an operator.

Countable; Uncountable

noun

A functor which reverses composition.

Countable; Uncountable

noun

Of vectors, the property of scaling inversely with a change of basis, as opposed to covariance.

Countable; Uncountable

Example Sentences

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrābor. English contra- English variance English contravariance From contra- + variance.

Usage

Subject

Wiktionary places this term in Mathematics.

Inflected Forms

contravariances (plural)

Frequently Paired Words

contravariant covariance

Questions

What does contravariance mean?
The reversal of the order of data types acted upon by an operator.
Where does contravariance come from?
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrābor. English contra- English variance English contravariance From contra- + variance.

How to pronounce contravariance

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