photostriction en · NOUN
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 striction English photostriction From photo- + striction.
Meanings
- (uncountable) A change in the dimensions of some piezoelectric materials when illuminated; only occurs if the material is also photoelectric.