PRO

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See also: -pro-, pro, pro-, Pro, and Pro.

English[edit]

Etymology 1[edit]

Initials of pressure retarded osmosis.

Noun[edit]

PRO (uncountable)

  1. Pressure retarded osmosis.

See also[edit]

Etymology 2[edit]

From the term pronoun.

Symbol[edit]

PRO

  1. (syntax) A theoretical phonologically null pronoun

Anagrams[edit]