noun
Meaning 1
A group of eight things.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: octonary
Antonyms: none provided
Standard Lemma guide
octad
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
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Received-Pronunciation: /ˈɒktæd/
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General-American: /ˈɑkˌtæd/
noun
Meaning 2
hundred million = myriad myriad; 100,000,000 = 108
Definition source: English Wiktionary via Wiktextract
Usage: historical
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 3
the cardinal number that is the sum of seven and one
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: eight, 8, VIII, eighter, eighter from Decatur, ogdoad, octonary, octet
Antonyms: none provided
Broader terms: digit, figure
History
Etymology
From oct- + -ad.