PENTADS

10
Scrabble
12
WWF
P(3) E(1) N(1) T(1) A(1) D(2) S(1)
NWL/TWL ✓ Collins ✓ WWF ✓

Definition

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

Source: Wiktionary

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