contraharmonicaladj.

Etymology: contra- prefix 2.Previous versions of the OED give the stress as: ˌcontraharˈmonical.

Mathematics.

Opposed or opposite to harmonical. When three numbers are in harmonical progression, then a : c :: a–b : b–c. The reverse of this, viz. a : c :: b–c : a–b is termed contra-harmonical proportion.

ΚΠ

1728 E. Chambers Cycl. Contra-harmonical Proportions, that Relation of three Terms, wherein the Difference of the first and second, is to the Difference of the second and third, as the third is to the first.

Derivatives

ˌcontraharˈmonically adv.

ΚΠ

1728 E. Chambers Cycl. (at cited word) Thus, e. g., 3, 5, and 6, are Numbers contra-harmonically proportional.

This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2019).

单词	contraharmonical
释义	contraharmonicaladj. Etymology: contra- prefix 2.Previous versions of the OED give the stress as: ˌcontraharˈmonical. Mathematics. Opposed or opposite to harmonical. When three numbers are in harmonical progression, then a : c :: a–b : b–c. The reverse of this, viz. a : c :: b–c : a–b is termed contra-harmonical proportion. ΚΠ 1728 E. Chambers Cycl. Contra-harmonical Proportions, that Relation of three Terms, wherein the Difference of the first and second, is to the Difference of the second and third, as the third is to the first. Derivatives ˌcontraharˈmonically adv. ΚΠ 1728 E. Chambers Cycl. (at cited word) Thus, e. g., 3, 5, and 6, are Numbers contra-harmonically proportional. This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2019). < adj.1728
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