Associations to the word «Pentad»
Noun
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Wiktionary
PENTAD, noun. A group or series of five things
PENTAD, noun. (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.
Dictionary definition
PENTAD, noun. The cardinal number that is the sum of four and one.
Wise words
In words, as fashions, the same rule will hold; Alike
fantastic, if too new, or old: Be not the first by whom the
new are tried, Nor yet the last to lay the old aside.