cymatic

First attested in 1828; formed as cymat- (the long stem of cyma) +‎ -ic; compare the later cymatics (1966) and the earlier Latin cȳmaticus (1753).

• IPA^(key): /saɪˈmæ.tɪk/

cymatic (not comparable)

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

• 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.