pentad
Plural: pentads
Noun
- A group or set of five.
- the cardinal number that is the sum of four and one
- Synonym of quintet: A group of five things, particularly
- Synonym of quinquennium: a five-year period, especially in reference to the first and second halves of calendrical decades.
- Synonym of quintet: A group of five things, particularly
- A five-day period, especially a temperature average taken every five days.
- Synonym of quintet: A group of five things, particularly
- A five-day division of the Chinese calendar, forming part of a solar term (Chinese: 候).
- Synonym of quintet: A group of five things, particularly
- A pentavalent element or group: an atom or molecule with a valence of five, comparable with five atoms of hydrogen.
Examples
- He proudly formed a PENTAD of letters into a high-scoring word.
- Nitrogen is a pentad in the ammonium compounds.
Origin / Etymology
From Ancient Greek πεντάς (pentás), from πέντε (pénte, “five”) + -άς (-ás, “-ad”), equivalent to pent- + -ad.
Synonyms
5, cinque, fin, five, fivesome, Little Phoebe, Phoebe, quint, quintet, quintuplet, V, quinquennium
Scrabble Score: 9
pentad: valid Scrabble (US) TWL Wordpentad: valid Scrabble Word in Merriam-Webster MW Dictionary
pentad: valid Scrabble Word in International Collins CSW Dictionary