septivalentadj.

Brit.

/ˌsɛptᵻˈveɪlənt/,

/ˌsɛptᵻˈveɪln̩t/, U.S.

/ˌsɛptəˈveɪlənt/

Origin: Formed within English, by compounding. Etymons: septi- comb. form¹, -valent comb. form.

Etymology: < septi- comb. form¹ + -valent comb. form. Compare heptavalent adj. at hepta- comb. form 3.

Chemistry.

Having a valency of seven. Cf. heptavalent adj. at hepta- comb. form 1.

ΘΚΠ

the world > matter > chemistry > valency > [adjective] > having a valency of seven

septivalent1868

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) ii. 303 Manganese forms a chloride of somewhat doubtful composition, in which it is apparently septivalent.

1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) lviii. 600 This would be a septivalent negative ion, Na⁷⁽⁻⁾.

2010 Jrnl. Nucl. Materials 396 211/1 Ruthenium absorbed or dissolved by alkaline hypochlorite solution..was measured in septivalent (perruthenate) form at 380 nm.

This entry has been updated (OED Third Edition, September 2020; most recently modified version published online March 2022).

单词	septivalent
释义	septivalentadj. Brit. /ˌsɛptᵻˈveɪlənt/, /ˌsɛptᵻˈveɪln̩t/, U.S. /ˌsɛptəˈveɪlənt/ Origin: Formed within English, by compounding. Etymons: septi- comb. form¹, -valent comb. form. Etymology: < septi- comb. form¹ + -valent comb. form. Compare heptavalent adj. at hepta- comb. form 3. Chemistry. Having a valency of seven. Cf. heptavalent adj. at hepta- comb. form 1. ΘΚΠ the world > matter > chemistry > valency > [adjective] > having a valency of seven septivalent1868 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) ii. 303 Manganese forms a chloride of somewhat doubtful composition, in which it is apparently septivalent. 1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) lviii. 600 This would be a septivalent negative ion, Na⁷⁽⁻⁾. 2010 Jrnl. Nucl. Materials 396 211/1 Ruthenium absorbed or dissolved by alkaline hypochlorite solution..was measured in septivalent (perruthenate) form at 380 nm. This entry has been updated (OED Third Edition, September 2020; most recently modified version published online March 2022). < adj.1868
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