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penta-

Origin

a combining form occurring in loanwords from Greek, meaning “five” (Pentateuch); on this model, used in the formation of compound words (pentavalent).

Also, especially before a vowel, pent-.

Origin:
< Greek pent-, penta-, comb. forms representing pénte five

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To penta-

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Penta- is always a great word to know.

So is bezoar. Does it mean:

an extraordinary or unusual thing, person, or event; an exceptional example or instance.

a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.

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Collins

World English Dictionary

penta-

—*combining form*
	five: pentagon; pentameter; pentaprism

[from Greek pente five]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

penta-

comb. form meaning "five," from Gk. penta- (before a vowel, pent-), from pente "five," related to Aeolian pempte (see five).

American Heritage

Medical Dictionary

penta- or pent-
pref.

Five: pentameter.
Containing five atoms, molecules, or groups: pentose.

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