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PRO

nounproper nounsymbolcommon in dialogue

A theoretical phonologically null pronoun

noun

  1. 1

    Variant of pressure retarded osmosisInitialism of pressure retarded osmosis.

  2. 2

    Variant of patient-reported outcomeInitialism of patient-reported outcome.

    In the bivariate analysis carried out by subgroups, we did not find statistically significant differences (p < 0.05) between bionaïve or bioexperienced patients, patients with BMI < 30 or BMI > 30 in relation to the efficacy variables (PASI and BSA) and analyzed PROs (VAS pruritus and DLQI).

Etymology

Initialism.

proper noun

  1. 1

    Variant of Police Regional OfficeInitialism of Police Regional Office.

symbol

  1. 1

    A theoretical phonologically null pronoun

  2. 2

    Used to indicate personal pronoun in sign language glosses, e.g. PRO.1 or PRO-1 for the first person.

Etymology

From the term pronoun.

Forms

plural
PROs
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).