- 1. n. An atom which has a valence of seven, and which can be theoretically combined with, substituted for, or replaced by, seven monad atoms or radicals; as, iodine is a heptad in iodic acid. Also used as an adjective. Source: opted
- 2. n. the cardinal number that is the sum of six and one Source: wordnet
- 3. An atom which has a valence of seven, and which can be theoretically combined with, substituted for, or replaced by, seven monad atoms or radicals; as, iodine is a heptad in iodic acid. Also used as an adjective. Source: webster
- 4. An atom which has a valence of seven, and which can betheoretically combined with, substituted for, or replaced by, sevenmonad atoms or radicals; as, iodine is a heptad in iodic acid. Alsoused as an adjective. Source: adambom
- 5. n the cardinal number that is the sum of six and one Source: ecdict
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heptad
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acidadjectiveatomatomscombinediodiciodineradicalsreplacedsubstitutedvalencecardinalmonadnumbersumtheoretically
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