octad

/'ɔktæd/
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Thân thiện
octad

An octad of colorful balloons floats in the clear blue sky.

Definition
  1. Noun:
    • A group or set of eight: "octad" refers to a collection of eight things considered as a single unit.
    • The cardinal number eight: "octad" can denote the number eight itself.
Usage
  • "Octad" is a formal or technical term, often used in scientific, mathematical, or literary contexts to describe a set of eight. It is less common in everyday speech than the word "eight."
Examples
  • Noun:
    • The ancient philosopher believed the universe was governed by a sacred octad of principles.
    • In chemistry, an octad of electrons completes the outer shell of a noble gas atom.
Advanced Usage
  • "To form an octad": to come together as a group of eight.
    • The rebel factions agreed to form an octad to present a unified front.
Variants and Related Words
  • Octet (n): a group of eight people or things, especially musicians.
    • The jazz octet performed a brilliant set.
  • Octonary (adj): relating to or based on the number eight.
  • Octave (n): a series of eight musical notes; a difference of eight in pitch.
Synonyms
  • Eight: the cardinal number.
  • Octet: a group of eight.
  • Ogdoad: (formal) a group of eight.
Antonyms
  • Monad: a single unit; one.
  • Dyad: a pair; two.
octad

An octad of colorful balloons floats in the clear blue sky.

Noun
  1. the cardinal number that is the sum of seven and one

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