photoresistor

noun 0.809

phototransistor

noun 0.778

photodetector

noun 0.778

photocell

noun 0.776

photoreceptor

noun 0.770

photodiode

noun 0.750

sensor

noun 0.750

photosite

noun 0.739

photoelectric cell

noun 0.733

photoelectrode

noun 0.687

photometer

noun 0.684

biosensor

noun 0.670

photosensitizer

noun 0.670

photopigment

noun 0.670

light meter

noun 0.668

photoresponse

noun 0.662

photosystem

noun 0.655

phototube

noun 0.652

photoconductor

noun 0.638

photoresist

noun 0.636

photomultiplier

noun 0.633

microsensor

noun 0.628

solar cell

noun 0.627

photoreception

noun 0.625

sense organ

noun 0.624

photocathode

noun 0.622

phototransduction

noun 0.621

sensor array

noun 0.621

photovoltage

noun 0.621

photocurrent

noun 0.613

sensory neuron

noun 0.608

exposure meter

noun 0.605

photovoltaic cell

noun 0.605

chemosensor

noun 0.604

phototroph

noun 0.599

light source

noun 0.597

photomultiplier tube

noun 0.595

photosensitivity

noun 0.592

sensory

noun 0.592

spectrometer

noun 0.591

camera

noun 0.586

sensitizer

noun 0.585

spectrophotometer

noun 0.584

colorimeter

noun 0.583

biosensing

noun 0.583

multisensor

noun 0.580

photoelectron

noun 0.578

pyranometer

noun 0.576

receptor

noun 0.574

opsin

noun 0.574

transducer

noun 0.572

sense amplifier

noun 0.569

eyespot

noun 0.569

photoconductivity

noun 0.567

digital camera

noun 0.566

photophore

noun 0.566

photon

noun 0.564

photoperiod

noun 0.564

radiometer

noun 0.560

photosensitization

noun 0.558

optocoupler

noun 0.555

photo

noun 0.555

photographer

noun 0.553

scintillator

noun 0.551

bolometer

noun 0.551

pyrheliometer

noun 0.550

phytochrome

noun 0.550

photovoltaics

noun 0.549

accelerometer

noun 0.547

photographic plate

noun 0.544

transistor

noun 0.544

compound eye

noun 0.543

remote sensing

noun 0.541

photocatalyst

noun 0.541

light-emitting diode

noun 0.541

photoinitiator

noun 0.539

solar collector

noun 0.539

photoemission

noun 0.537

camera right

noun 0.537

photograph

noun 0.537

iconoscope

noun 0.536

thermistor

noun 0.534

seismometer

noun 0.533

photolyase

noun 0.532

actinometer

noun 0.532

photog

noun 0.532

spectroscope

noun 0.531

detector

noun 0.531

photoreaction

noun 0.531

camera flash

noun 0.530

light bulb

noun 0.530

mechanoreceptor

noun 0.528

rhodopsin

noun 0.528

dosimeter

noun 0.527

photogeneration

noun 0.527

smoke detector

noun 0.527

photoconduction

noun 0.525

pyrometer

noun 0.524

shutterbug

noun 0.524

photophobia

noun 0.522