electron tube

noun 0.812

thermionic valve

noun 0.717

cathode-ray tube

noun 0.712

fluorescent tube

noun 0.712

tube

noun 0.703

phototube

noun 0.702

test tube

noun 0.702

vacuum gauge

noun 0.683

vacuum

noun 0.683

vacuum pump

noun 0.682

vacuum flask

noun 0.656

boiler tube

noun 0.641

photomultiplier tube

noun 0.621

hot cathode

noun 0.614

high vacuum

noun 0.613

vacuum pan

noun 0.611

tubule

noun 0.606

tube site

noun 0.601

pentode

noun 0.598

tub

noun 0.597

vacuum cleaner

noun 0.597

inner tube

noun 0.595

torpedo tube

noun 0.589

tetrode

noun 0.586

central vacuum

noun 0.585

vacuum desiccator

noun 0.584

triode

noun 0.583

vacuole

noun 0.583

lamp bulb

noun 0.582

nanotube

noun 0.580

tunnel diode

noun 0.578

partial vacuum

noun 0.577

false vacuum

noun 0.575

fluorescent lamp

noun 0.570

transistor

noun 0.568

electron gun

noun 0.568

pitot tube

noun 0.567

vacuum pack

noun 0.567

light bulb

noun 0.566

boob tube

noun 0.564

neon lamp

noun 0.562

klystron

noun 0.559

incandescent lamp

noun 0.557

tube train

noun 0.555

vacuuming

noun 0.555

magnetron

noun 0.555

ampoule

noun 0.555

dip tube

noun 0.549

autoclave

noun 0.549

test tube baby

noun 0.549

vaporizer

noun 0.547

carbon nanotube

noun 0.544

tubing

noun 0.542

float tube

noun 0.540

cathode

noun 0.539

crystal radio

noun 0.539

voltmeter

noun 0.538

valve

noun 0.537

suction valve

noun 0.536

vacutainer

noun 0.534

lamp

noun 0.533

diode

noun 0.533

videotape

noun 0.531

ventilator

noun 0.531

vacuum energy

noun 0.530

transistor radio

noun 0.530

gauge glass

noun 0.530

vacuum distillation

noun 0.530

bulb

noun 0.529

water pipe

noun 0.529

pipe

noun 0.527

electric circuit

noun 0.526

gyrotron

noun 0.526

lava lamp

noun 0.525

photomultiplier

noun 0.524

down tube

noun 0.524

tuber

noun 0.523

pressure vessel

noun 0.523

exhaust valve

noun 0.522

steam turbine

noun 0.522

photoelectric cell

noun 0.522

waveguide

noun 0.522

exhaust pipe

noun 0.522

glass electrode

noun 0.521

vacuity

noun 0.521

catheter

noun 0.521

tubeworm

noun 0.520

microtubule

noun 0.519

volt

noun 0.519

electronic circuit

noun 0.519

connecting tubule

noun 0.518

light globe

noun 0.518

photovoltaic cell

noun 0.517

gramophone

noun 0.517

photocathode

noun 0.516

televisor

noun 0.515

amplifier

noun 0.515

thermocouple

noun 0.514

television set

noun 0.514

neon light

noun 0.514