تلفظ بین المللی : /pˌɛɹɪkˈɑːdɪk/ تلفظ : [p,ErIk'A@dIk]
English
Pericardiac.
1. An instrument for studying or observing the successive phases of a periodic or varying motion by means of light which is periodically interrupted. 2. An optical toy similar to the phenakistoscope. See Phenakistoscope.
