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Meaning of precisian

pre•ci•sian

Pronunciation: (pri-sizh'un), [key]
— n.
  1. a person who adheres punctiliously to the observance of rules or forms, esp. in matters of religion.
  2. one of the English Puritans of the 16th and 17th centuries.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.