See more synonyms for descriptor on
  1. a significant word or phrase used to categorize or describe text or other material, especially when indexing or in an information retrieval system.
  2. Computers. a data item that stores the attributes of some other datum: a task descriptor.

Origin of descriptor

1930–35, for an earlier sense; describe + -tor, with vowel change and devoicing by analogy with similar L derivatives Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for descriptor

description, headline, label, caption, rubric, legend, lemma, descriptor