tube
65
8.8
- noun
- /tuːb/
- Archaic
:
válvula
- The vacuum tube amplifies the audio signal for better sound quality.
- vacuum tube
- cathode-ray tube
- picture tube
Examples
-
Good old American engineering, you'll never find anything to beat the double vacuum tube.
-
So you may remember my Nixie tube clock from my clock video.
-
And that inside the tube was hydrogen.
-
And by the magic of the cathode ray tube or something...
-
And what I'm seeing mostly is the tube glass itself fluorescing.
-
Rontgen was interested in experiments with cathode ray tubes and the quality of the produced rays.
Academic text (1995) -
First, he dipped into his windbreaker pocket and pulled out a tube of fast-drying epoxy.
Fiction book (1996) -
The room in ICU was spotless, sterile, and cluttered with equipment on wheels, tubes, and electronic monitors.
Fiction book (1994) -
The emitted light is detected by a photomultiplier tube and digitized with an 8- or 16-bit analog-to-digital converter.
Academic text (1995) -
She replaced the burnt-out tube in her old radio to get it working again.
Synonyms
5
5.3
A glass or metal tube with empty space inside that controls electricity
1
6.0
A large glass device in old TVs and computer screens that makes pictures with a beam of electrons
1
9.9
A glass tube with five metal parts that makes electrical signals stronger
A glass or metal device that controls electric current in old radios and televisions
A glass or metal device that controls the flow of electricity in old radios and machines
A glass or metal tube that uses heat to make electricity flow without air
An electronic device in a sealed glass tube that controls electric current in old radios
A glass tube with two metal parts that changes alternating current into direct current
A vacuum tube with four metal parts that amplifies electrical signals
A glass tube inside old TVs that makes the picture on the screen
A device used in old television cameras to change an image into electronic signals
Idioms
Try to make things the way they were after they changed
Compounds
- Specialized
18
2.8
A small glass tube closed at one end used in labs to hold, heat, or mix liquids
- Specialized
8
5.5
One of two thin tubes in a woman's body that carry an egg from the ovary to the womb
- Informal
3
4.2
A baby that doctors make from an egg and sperm outside the mother's body and put in her womb
- Archaic
1
6.0
A large glass device in old TVs and computer screens that makes pictures with a beam of electrons
- Archaic
1
5.8
A long glass tube inside old televisions that makes the picture on the screen
- Specialized
1
9.1
A small soft tube with a sucker that starfish and sea urchins use to move, eat, and breathe
- Specialized
1
4.8
A flexible tube placed in the windpipe to keep the airway open and help breathing
- Specialized
1
3.5
A glass container filled with neon gas that glows when electricity passes through it
- Specialized
1
6.8
A narrow tube that connects the middle ear to the throat and equalizes ear pressure
- Specialized
1
6.8
A small tube that measures how fast air moves to show an airplane's speed
- Specialized
A tube-shaped part of a flower that holds the leaf-like parts under the petals, often seen in roses
- Specialized
A tube in the body with walls of cartilage, like the trachea or ear canal
- Archaic
A large glass part inside old televisions that shows pictures in color
- Archaic
A glass bulb inside older televisions that makes the screen show color pictures
- Specialized
A device that detects radiation by counting particles in a tube filled with gas
- Archaic
A partly empty glass container that makes glowing rays when electricity passes through it and helped find electrons
- Specialized
A tube from the mouth to the anus where food is digested and waste leaves the body
- Archaic
A glass or metal device that controls electric current in old radios and televisions
- Archaic
A small vacuum tube shaped like an acorn used for high-frequency radio signals
- Specialized
A tube that connects the middle ear to the back of the nose to make ear pressure the same
- Specialized
An instrument that makes standing sound waves visible in a tube to measure sound speed in air or solids
- Specialized
A small tube inside a Geiger counter that gives a signal when radiation passes through
- Specialized
Thin tube that grows out of a spore when it starts to grow, often in fungi
- Specialized
A glass or metal tube filled with gas that makes light when electricity passes through it
- Specialized
A device that measures radiation by detecting tiny charged particles in a gas tube
- Specialized
A tube inserted through the nose into the windpipe to help a person breathe
- Specialized
A tube that detects radiation and gives an electrical signal showing how strong the radiation is
- Archaic
A glass tube with two metal parts that changes alternating current into direct current
- Specialized
A small tube on a plane that measures air pressure to show the speed of the plane
- Specialized
A thin tube from a pollen grain that grows to carry male cells to the ovule for fertilization
- Archaic
An electronic tube in early television cameras that turns light into electrical signals
- Archaic
A device used in old television cameras to change an image into electronic signals
- Archaic
A glass or metal device that controls the flow of electricity in old radios and machines
- Archaic
A glass or metal tube that uses heat to make electricity flow without air
- Australian
A bat that eats fruit and has tube-shaped nostrils that point away from each other
- Specialized
A tube made of cells joined end to end that carries nutrients in flowering plants and some algae
- Specialized
A tube with a narrow middle that measures how fast liquid moves in a pipe by lowering pressure
Surface Forms
Etymology
Tube for the electronic device is named after the early glass tubes used in radios and amplifiers, so a 'vacuum tube' is a glass tube with parts inside that control electric current.