Last revised by Daniel J Bell on 23 Nov 2021

A lexicon (plural: lexicons or lexica) usually refers to the specific vocabulary of a specific occupation or area of study although technically it can refer to the vocabulary of any group of people. Various organizations 2 have projects similar to RadLex which have sought to codify and standardize the lexicon of radiologists or groups of them e.g. BI-RADS has a lexicon specific to mammography.

Practically speaking explicit and uniform lexicons facilitate communication among professionals and are a key element in natural language processing programs.

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