Definition of Pentad

1. Noun. The cardinal number that is the sum of four and one.

Exact synonyms: 5, Cinque, Fin, Five, Fivesome, Little Phoebe, Phoebe, Quint, Quintet, Quintuplet, V
Generic synonyms: Digit, Figure

Definition of Pentad

1. n. Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.

2. a. Having the valence of a pentad.

Definition of Pentad

1. Noun. a group or series of five things ¹

¹ Source: wiktionary.com

Definition of Pentad

1. a group of five [n -S]

Medical Definition of Pentad

1. Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds. Origin: Gr, a body of five, fr. Five. Having the valence of a pentad. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Pentad

pentacra
pentacrinin
pentacrinite
pentacrinoid
pentacrinoids
pentacrinus
pentacron
pentacrostic
pentacrostics
pentact
pentacts
pentacube
pentaculum
pentacuspid
pentacyclic
pentad (current term)
pentadactyl
pentadactyle
pentadactyloid
pentadactylous
pentadactyly
pentadecagon
pentadecagons
pentadecamer
pentadecameric
pentadecamers
pentadecane
pentadecanes
pentadecanoate
pentadecanoic

Literary usage of Pentad

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Thirty Years' War on Silver: Money Scientifically Treated and Logically by Adolphus Leigh Fitzgerald (1903)
"... the triad, produces the pentad of tender and payer and discharger and measure and medium ; and these five, the pentad, produce the standard and storer; ..."

2. Elements of Chemistry: Theoretical and Practical by William Allen Miller, Charles Edward Groves, Herbert McLeod (1878)
"pentad ELEMENTS. (497) THE typical pentad element, nitrogen, has already been described : it will only be necessary in this place to con- Miler phosphorus, ..."

3. The Books of the Pentateuch: Their Origin, Contents, and Significance by Frederick Carl Eiselen (1916)
"Fourth Decalogue: Responsibility for Property First pentad — In General, Exod. 22. ... Second pentad — On the Part of Those in Authority, Exod. 23. ..."

4. Proceedings of the Cambridge Philosophical Society by Cambridge Philosophical Society (1889)
"(2) On the change of the pentad to the triad nitrogen atom. By S. RUHEMANN, MA, Gonville and Caius College. (3) On the change of citric acid to pyrrol ..."

5. American Druggist (1885)
"... pentad metals, e. д., nitrogen, phosphorus, arsenic, antimony, and bismuth ; iron and manganese. papers—the whole covering 26J pages. ..."

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