photostethoscope
[ fō′tō-stĕth′ə-skōp′ ]
n.
A device that converts sound into flashes of light, used for continuous observation of the fetal heart.
Words nearby photostethoscope
photoshoot,
photoshop,
photosphere,
photostable,
photostat,
photostethoscope,
photosynthate,
photosynthesis,
photosynthesize,
photosystem,
phototaxis