| HEPTAVALENT | • heptavalent adj. (Chemistry) Having an atomic valence of 7. • heptavalent adj. (Medicine) Having a vaccine valence of 7.
 • HEPTAVALENT adj. having a valency of seven, also SEPTAVALENT, SEPTIVALENT.
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| HEXAVALENT | • hexavalent adj. (Chemistry) Having an atomic valence of 6. • hexavalent adj. (Medicine) Having a vaccine valence of 6.
 • HEXAVALENT adj. having a valency of six.
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| OCTAVALENT | • octavalent adj. (Chemistry) Having an atomic valence of 8. • octavalent adj. (Medicine) Having a vaccine valence of 8.
 • OCTAVALENT adj. having a valency of eight.
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| PENTAVALENCE | • pentavalence n. The condition of being pentavalent. • PENTAVALENCE n. the condition of having a valency of five, also PENTAVALENCY.
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| PENTAVALENCES | • PENTAVALENCE n. the condition of having a valency of five, also PENTAVALENCY. | 
| PENTAVALENCIES | • PENTAVALENCY n. the condition of having a valency of five, also PENTAVALENCE. | 
| PENTAVALENCY | • pentavalency n. Alternative form of pentavalence. • PENTAVALENCY n. the condition of having a valency of five, also PENTAVALENCE.
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| PENTAVALENT | • pentavalent adj. (Chemistry) Having an atomic valence of 5. • pentavalent adj. (Medicine) Having a vaccine valence of 5.
 • PENTAVALENT adj. having a valence of five.
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| SEPTAVALENT | • septavalent adj. (Chemistry, medicine) Heptavalent. • SEPTAVALENT adj. having a valency of seven, also HEPTAVALENT, SEPTIVALENT.
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| SEXAVALENT | • sexavalent adj. (Obsolete) hexavalent. • SEXAVALENT adj. hexavalent.
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| TETRAVALENCE | • tetravalence n. The condition of being tetravalent. • TETRAVALENCE n. the condition of having a valency of four, also TETRAVALENCY.
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| TETRAVALENCES | • TETRAVALENCE n. the condition of having a valency of four, also TETRAVALENCY. | 
| TETRAVALENCIES | • TETRAVALENCY n. the state of being tetravalent, also TETRAVALENCE. | 
| TETRAVALENCY | • tetravalency n. Tetravalence. • TETRAVALENCY n. the state of being tetravalent, also TETRAVALENCE.
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| TETRAVALENT | • tetravalent adj. (Chemistry) Having an atomic valence of 4. • tetravalent adj. (Medicine) Having a vaccine valence of 4.
 • TETRAVALENT n. a compound having a valency of four.
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| TETRAVALENTS | • TETRAVALENT n. a compound having a valency of four. |