pentad

English

Etymology

From pent- +‎ -ad.

Pronunciation

• IPA^(key): /ˈpɛntæd/
• Hyphenation: pen‧tad

Noun

pentad (plural pentads)

1. A group or series of five things.
2. A mean average value of temperature, etc., taken every five days.
3. (chemistry) 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.

   Nitrogen is a pentad in the ammonium compounds.

Synonyms

• (group of five): fivesome; see also Thesaurus:quintet

Coordinate terms

• monad · duad, dyad · triad · tetrad · pentad · hexad · heptad · octad · ennead, nonad · decad, decade · hendecad · dodecad, duodecade

Derived terms

• pentadic

Translations

a group or series of five things

• Turkish: beşlik (tr)
• (deprecated template usage) {{trans-mid}}

Anagrams

• panted, pedant