pentad
English
Noun
pentad (plural pentads)
- A group or series of five things.
- A mean average value of temperature, etc., taken every five days.
- (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.
Derived terms
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