cymatic

Etymology
First attested in 1828; formed as (the long stem of ) ; compare the later  (1966) and the earlier 🇨🇬 (1753).

Adjective

 * 1)  Of or pertaining to cymatics.
 * 2) Describing any secondary effect of sound or similar vibrations.

Quotations

 * 1828, John Preston Neale, Views of the Seats of Noblemen and Gentlemen, in England, Wales, Scotland, and Ireland, second series, volume IV, “ Fingask Castle, Perthshire; The Seat of Sir Patrick Murray Threipland, Bart.Fingask Castle, Perthshire; The Seat of Sir Patrick Murray Threipland, Bart. ”
 * The roof is surrounded by an embrasured parapet. But the most curious external feature of this building, is the principal entrance door, strongly studded with large nails; the upper part having a cymatic form.