aplural
Aplural is a term encountered in some linguistic discussions to describe a noun or noun system that lacks explicit plural marking. In this sense, words categorized as aplural do not change form to indicate quantity, and plurality is conveyed by other means such as numerals, determiners, classifiers, or context. The concept is related to, but distinct from, established notions like pluralia tantum (words that occur only in the plural) and singularia tantum (words that occur only in the singular).
The term is not part of mainstream typologyy, and there is no widely accepted formal definition in
Usage and reception: Aplural is largely informal and niche. Many linguists prefer other terms such as zero
See also: plural, pluralia tantum, singularia tantum, zero plural, mass noun, classifier systems.