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Ur

[ur, oo r]
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noun
  1. an ancient Sumerian city on the Euphrates, in S Iraq: extensive excavations, especially of royal tombs.

ur-1

  1. variant of uro-1: uranalysis.

ur-2

  1. variant of uro-2 before a vowel: urite.

ur-3

(sometimes initial capital letter)
  1. a combining form meaning “earliest, original,” used in words denoting the primal stage of a historical or cultural entity or phenomenon: ur-civilization; urtext.

Origin of ur-3

< German ur-, Middle High German, Old High German; cognate with Old English or-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ur

Ur

noun
  1. an ancient city of Sumer located on a former channel of the Euphrates

UR

abbreviation for
  1. you are
  2. your

ur-

combining form
  1. a variant of uro- 1, uro- 2

Ur-

combining form
  1. original, primitiveUrsprache

Word Origin

German
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ur

ur-

prefix meaning "original, earliest, primitive," from German; at first only in words borrowed from German (cf. ursprache "hypothetical primitive language"); since mid-20c. a living prefix in English. Cf. also Urschleim under protoplasm and Urquell under Pilsner.

Online Etymology Dictionary, © 2010 Douglas Harper

ur in Medicine

ur-

pref.
  1. Variant ofuro-