contravariant
Word Rarity
Very rare
Frequency: Zipf frequency 1.60 in modern English
18
Scrabble Score
13
Letters
3
Syllables
8
Unique Chars
Meaning
adj
Which reverses the order of morphism composition: formally, which associates each morphism f:X→Y to a morphism F(f):F(Y)→F(X).
adj
Using or relating to contravariance.
noun
A bihomogeneous polynomial in dual variables of x, y, ... and the coefficients of some homogeneous form in x, y, ... that is invariant under some group of linear transformations.
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 variant English contravariant From contra- + variant.