alternant

Interchangeable linguistic form

An alternant is one of two or more forms that alternate in a pattern.

In linguistics, alternants are variant forms of a morpheme that appear in different contexts—the sounds at the end of *cats*, *dogs*, and *horses* are alternants of the English plural.

In chemistry, alternant describes certain arrangements of atoms in molecular structures.

The word functions as both noun and adjective.

linguistics

allophone

Non-distinctive sound variation

  • phonemeMinimal distinctive sound unit
  • ablautVowel gradation in morphology
  • morphemeSmallest meaningful language unit

paradigm · inflection · conjugation · declension · stem · root · affix · syncretism · umlaut · assimilation

chemistry

isomer

Same formula, different shape

valence · stereoisomer · equilibrium · hybrid

mathematics

sequence

Ordered succession of elements

substitution · transposition · orbit · period · combinatorics · arrangement · ordering

Opposites
linguistic variation

alternantinvariant

Remaining always constant

constant · underlying form · fixed form · citation form

Phrases
Family

alternative, alternate, alternating, alternatives, alternates, alternately, alternatively, alternated, alternation

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Profile
Used worldwide · Timeless · Abstract · Rated G