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word element [L.], four. See also words beginning tetra-.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Combining forms meaning four.
[L. quattuor, four]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
quadri-, quadr-, quadru- [L. quadr-, fr. quattuor, four]
Prefixes meaning four.
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