photovoltaic

Intermediatezipf 3.02

Pronunciation

/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. 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. 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
  • photoelectriclight producing electricity

Etymology

from Greek "phos" (light) + "volt" (after Alessandro Volta, pioneer of electricity) + "-aic" — electricity from light