ennead

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  • noun

Synonyms for ennead

the cardinal number that is the sum of eight and one

References in periodicals archive ?
Ennea socratica: Melvill & Ponsonby 1893: 109, pl.
Ennea impervia: Melvill & Ponsonby 1896: 315, pl.
Ennea aurisleporis: Melvill & Ponsonby 1898a: 25, pl.