photovoltaic
Intermediatezipf 3.02Pronunciation
/ˌfoʊtoʊvɒlˈteɪɪk/(foh-toh-vol-TAY-ik)
Part of speech
adjectivephysics / energy
Chinese
光伏的;光电的
Definition
Relating to the generation of electric current at the junction of two substances exposed to light; used especially of solar cells that convert sunlight directly into electricity.
Word family
- photovoltaics(n)光伏学
- PV(abbreviation)
Collocations
- photovoltaic cell
- photovoltaic panel
- photovoltaic system
- photovoltaic efficiency
- photovoltaic array
Examples
- 1.Photovoltaic panels have dropped in cost by over 99% since the 1970s, making solar electricity cheaper than coal in most markets. (solar technology)
- 2.A photovoltaic cell works by using photons to knock electrons free from silicon atoms, generating a flow of current. (energy conversion mechanism)
Synonyms
- solar/ˈsoʊlər/— relating to the sun, broader
- photoelectric— light producing electricity
Etymology
from Greek "phos" (light) + "volt" (after Alessandro Volta, pioneer of electricity) + "-aic" — electricity from light