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P_____
Definitions
the cardinal number that is the sum of four and one
Word origin
From Ancient Greek πεντάς (pentás), from πέντε (pénte, “five”) + -άς (-ás, “-ad”). By surface analysis, pent- + -ad.
Used in a sentence
“Nitrogen is a pentad in the ammonium compounds.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for pentad yet.