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penta-
5 dictionary results for: Penta-
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
penta-
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: < Gk pent-, penta-, comb. forms repr. pénte five]
American Heritage Dictionary - Cite This Source - Share This
penta- or pent-  
pref.   Five: pentamerous.


[Greek, from pente, five; see penkwe in Indo-European roots.]

Online Etymology Dictionary - Cite This Source - Share This
penta- 
comb. form meaning "five," from Gk. penta- (before a vowel, pent-), from pente "five," related to Aeolian pempte (see five).

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

penta- or pent-
pref.

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

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Penta-

Pen"ta-\ [Gr. ?, a later combining form of ? five. See Five.]

1. A combining form denoting five; as, pentacapsular; pentagon.

2. (Chem.) Denoting the degree of five, either as regards quality, property, or composition; as, pentasulphide; pentoxide, etc. Also used adjectively.

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