photoplethysmograph
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
40
Scrabble Score
19
Letters
5
Syllables
12
Unique Chars
Meaning
noun
A plethysmograph that uses illumination of the skin in order to measures changes in light absorption
Etymology
Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- English plethysmograph English photoplethysmograph From photo- + plethysmograph.