photoelectric cell

noun 0.845

photosensor

noun 0.776

photovoltaic cell

noun 0.758

photoresistor

noun 0.755

solar cell

noun 0.747

photodiode

noun 0.741

phototransistor

noun 0.735

photodetector

noun 0.719

photoreceptor

noun 0.711

photoelectrode

noun 0.670

photocurrent

noun 0.663

photocathode

noun 0.658

photovoltage

noun 0.640

phototube

noun 0.632

photovoltaics

noun 0.609

photopigment

noun 0.606

photomultiplier

noun 0.604

photocatalyst

noun 0.604

photoconductor

noun 0.600

photosite

noun 0.597

photometer

noun 0.592

electrochemical cell

noun 0.588

photoreception

noun 0.574

photoresist

noun 0.574

photoconductivity

noun 0.573

photoelectron

noun 0.572

light meter

noun 0.572

photocopy

noun 0.571

photoperiod

noun 0.569

phototroph

noun 0.568

photosystem

noun 0.567

photovoltaic effect

noun 0.566

photomultiplier tube

noun 0.565

solar battery

noun 0.563

chloroplast

noun 0.559

phototransduction

noun 0.556

light bulb

noun 0.556

electric light

noun 0.555

solar collector

noun 0.552

sensor

noun 0.550

photograph

noun 0.550

optocoupler

noun 0.549

cell phone

noun 0.549

photon

noun 0.549

photolyase

noun 0.547

lamp bulb

noun 0.547

cellule

noun 0.547

photoresponse

noun 0.547

photophore

noun 0.547

photophone

noun 0.545

voltaic cell

noun 0.545

photographic plate

noun 0.544

photo

noun 0.543

solar

noun 0.543

photoflash

noun 0.542

cell

noun 0.542

phot

noun 0.538

camera flash

noun 0.536

photoelectric effect

noun 0.536

photoprint

noun 0.536

photocatalysis

noun 0.535

camera

noun 0.535

photogeneration

noun 0.534

photosensitizer

noun 0.534

camera phone

noun 0.531

transistor

noun 0.531

lamp

noun 0.530

bulb

noun 0.530

digital camera

noun 0.530

cellular phone

noun 0.529

streetlight

noun 0.528

photoreaction

noun 0.528

photog

noun 0.528

half cell

noun 0.526

nerve cell

noun 0.526

photocopier

noun 0.524

photophase

noun 0.522

electrode

noun 0.522

photomask

noun 0.518

photographer

noun 0.518

eyespot

noun 0.517

cellula

noun 0.517

photochemical

noun 0.516

pyrheliometer

noun 0.514

light-emitting diode

noun 0.514

light switch

noun 0.513

phototaxis

noun 0.513

diode

noun 0.512

pineal

noun 0.511

photopolymer

noun 0.511

photographic paper

noun 0.510

exposure meter

noun 0.510

capacitor

noun 0.510

fuel cell

noun 0.509

fluorescent lamp

noun 0.508

pyranometer

noun 0.508

photonics

noun 0.507

photostat

noun 0.505

lampholder

noun 0.505

emergency light

noun 0.505