12/19/2025
Is Doppler always capitalized? Yes, "Doppler" should be capitalized because it is an eponym, a word named after the Austrian physicist Christian Doppler. This applies even when the word is used as an adjective or in phrases like "Doppler effect" or "Doppler ultrasound.”
Having a Fetal Doppler at home allows you to listen to your baby’s heartbeat, providing a special bonding experience. With either rental or purchase options, BabyBeat has you covered, thanks to Mr. Doppler.