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pentad

American  
[pen-tad] / ˈpɛn tæd /

noun

  1. a period of five years.

  2. a group of five.

  3. the number five.

  4. Chemistry. a pentavalent element or group.

  5. Climatology. a period of five consecutive days.


pentad British  
/ ˈpɛntæd /

noun

  1. a group or series of five

  2. the number or sum of five

  3. a period of five years

  4. chem a pentavalent element, atom, or radical

  5. meteorol a period of five days

"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

Etymology

Origin of pentad

First recorded in 1645–55; from Greek pentad- (stem of pentás ) group of five; see origin at pent-, -ad 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In the pentad of 1923-27, U. S. investors paid $34,806,783,000 for 36,965 different issues of bonds and stocks.

From Time Magazine Archive

The 'even' in the Sûtra is meant to intimate that the 'five five-people' can in no way mean the twenty-five categories, since there is no pentad of groups consisting of five each.

From The Vedanta-Sutras with the Commentary by Ramanuja — Sacred Books of the East, Volume 48 by George Thibaut

The Sâ@nkhya categories have each their individual difference, and there are no attributes belonging in common to each pentad on account of which the number twenty-five could be divided into five times five.

From The Vedanta-Sutras with the Commentary by Sankaracarya Sacred Books of the East, Volume 1 by George Thibaut

Five, or the pentad, is everything; it stops the power of poisons, and is dreaded by evil spirits.

From Three Thousand Years of Mental Healing by George Barton Cutten

In chapters xvii.-xix. most of the original laws are still arranged in the decalogue and pentad form.

From The Origin and Permanent Value of the Old Testament by Charles Foster Kent

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