isacoustic

[ ahy-suh-koo-stikor, especially British, ahy-suh-kou- ]

adjective

1. of or relating to two sounds of equal intensity.

Word History and Origins

Origin of isacoustic¹

First recorded in 1895–1900; is- + acoustic

Example Sentences

A number of points at which the percentage is 50 is thus obtained, and the curve drawn through them is the required isacoustic line.

From Project Gutenberg

The peculiar form of the isacoustic lines will be evident at a glance.

From Project Gutenberg

Towards the north-east, the coincidence is not so close, but this is chiefly owing to the magnitude of the northern counties, which causes a deflection of the isacoustic lines towards the north.

From Project Gutenberg

There is therefore no marked distortion of the isoseismal lines when crossing the hyperbolic band, while the isacoustic lines are completely diverted from their normal course.

From Project Gutenberg

The percentage varies in different counties, from 93 in Inverness-shire to 77 in the counties of Perth and Aberdeen; but the records in the more distant regions are too few to allow of the construction of isacoustic lines.

From Project Gutenberg