Octad
[ok-tad] /ˈɒk tæd/
noun
1.
a group or series of eight.
2.
Chemistry. an element, atom, or group having a valence of eight.
/ˈɒktæd/
noun
1.
a group or series of eight
2.
(chem) an element or group with a valency of eight
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[ok-tuh-dek-uh-noh-ik, ok-] /ˈɒk təˌdɛk əˈnoʊ ɪk, ˌɒk-/ noun, Chemistry. 1. .
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