photoelectric
UK/.fәutәui'lektrik/US
C2
Definitions
adj.
Relating to electrical effects produced by light or other electromagnetic radiation.
光电的，与光（或其他电磁辐射）产生的电效应有关的。
Root Breakdown
Root-derivedphoto-light
+
electricrelating to electricity, charged with electricity
=photoelectric
photo- (light) + electric = "electricity from light." In the photoelectric effect, light striking a metal surface knocks electrons loose and generates a current — light in, electricity out. Einstein's 1905 explanation of it earned him the Nobel Prize.
Common Collocations
- 1.photoelectric effect光电效应
- 2.photoelectric sensor光电传感器
- 3.photoelectric cell光电池
- 4.photoelectric emission光电发射
Example Sentences
- 1.
The photoelectric effect shows that light behaves like particles.
- 2.
A photoelectric sensor opens the door when someone approaches.