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pentad

/pen-tad/US // ˈpɛn tæd //UK // (ˈpɛntæd) //

五角洲,五角大楼,五角形,五角星

Related Words

Definitions

n.名词 noun
  1. 1
    • : a period of five years.
    • : a group of five.
    • : the number five.
    • : Chemistry. a pentavalent element or group.
    • : Climatology. a period of five consecutive days.

Synonyms & Antonyms

Examples

  • Nitrogen in the triad condition in the amines is far less poisonous than in the pentad condition.

  • There is something to be said for this view, but on the whole the balance of the evidence is in favor of nitrogen being a pentad.

  • The structure of Aristotle's Pentad for five act plays is useful as a framework for solving personal problems.

  • But this oddness belongs to other numbers also (pentad, heptad, &c.).

  • Five, or the pentad, is everything; it stops the power of poisons, and is dreaded by evil spirits.