en·ne·ad /ˈɛniˌæd/
九個一組,九柱之神
En·ne·ad n. The number nine or a group of nine.
The Enneads, the title given to the works of the philosopher Plotinus, published by his pupil Porphyry; -- so called because each of the six books into which it is divided contains nine chapters.
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ennead
n : the cardinal number that is the sum of eight and one [syn: nine,
9, IX, niner, Nina from Carolina]