tube

Underground trains that carry people in a city

An underground train system in a city that carries people

Electric trains that run under a city and carry many people

An electric train system that runs below a city's streets

Try to make things the way they were after they changed

A change that cannot be undone or taken back

A small glass tube closed at one end used in labs to hold, heat, or mix liquids

One of two thin tubes in a woman's body that carry an egg from the ovary to the womb

A rubber part inside a tire that holds air

A glass or metal tube with empty space inside that controls electricity

A tube in a warship or submarine that fires a torpedo

A television set people watch to see shows

A baby that doctors make from an egg and sperm outside the mother's body and put in her womb

A thin round container made of glass used in a lab to hold liquids

A tube that carries air from the windpipe into the lungs

A large glass device in old TVs and computer screens that makes pictures with a beam of electrons

A long glass tube inside old televisions that makes the picture on the screen

A small soft tube with a sucker that starfish and sea urchins use to move, eat, and breathe

A sausage served in a bun, often sold at outdoor events

A flexible tube placed in the windpipe to keep the airway open and help breathing

A tube in an embryo that becomes the brain and spinal cord

A glass container filled with neon gas that glows when electricity passes through it

A narrow tube that connects the middle ear to the throat and equalizes ear pressure

A small tube that measures how fast air moves to show an airplane's speed

A tube that carries a person's voice between rooms

A tube that sends air into a flame to make it hotter

A tube like a straw that sends small darts when someone blows into it

A tube filled with boron that detects neutrons in experiments

A very thin tube that makes liquid climb inside it without a pump

A tube-shaped part of a flower that holds the leaf-like parts under the petals, often seen in roses

A tube in the body with walls of cartilage, like the trachea or ear canal

A large glass part inside old televisions that shows pictures in color

Part of a television that shows pictures in color

A glass bulb inside older televisions that makes the screen show color pictures

A device that detects radiation by counting particles in a tube filled with gas

A partly empty glass container that makes glowing rays when electricity passes through it and helped find electrons

A tube from the mouth to the anus where food is digested and waste leaves the body

A glass or metal device that controls electric current in old radios and televisions

A small vacuum tube shaped like an acorn used for high-frequency radio signals

A tube that connects the middle ear to the back of the nose to make ear pressure the same

An instrument that makes standing sound waves visible in a tube to measure sound speed in air or solids

A sealed tube where electricity makes the gas inside glow

A small tube inside a Geiger counter that gives a signal when radiation passes through

A thin tube inside a Geiger counter that detects radiation

Thin tube that grows out of a spore when it starts to grow, often in fungi

A glass or metal tube filled with gas that makes light when electricity passes through it

A device that measures radiation by detecting tiny charged particles in a gas tube

A tube inserted through the nose into the windpipe to help a person breathe

A tube that detects radiation and gives an electrical signal showing how strong the radiation is

A glass tube with two metal parts that changes alternating current into direct current

A small tube on a plane that measures air pressure to show the speed of the plane

A thin tube from a pollen grain that grows to carry male cells to the ovule for fertilization

A website that shows sex videos for adults, often for free

An electronic tube in early television cameras that turns light into electrical signals

A device used in old television cameras to change an image into electronic signals

A glass tube inside old TVs that makes the picture on the screen

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

A part of a television that uses three colors to make pictures

A part inside a color television that makes red, green and blue pictures

A fruit bat with nostrils that stick out like small tubes

A bat that eats fruit and has tube-shaped nostrils that point away from each other

A deep hole with a long metal pipe that brings water up from underground

A tool with two jaws that have teeth and that grips and turns pipes

Having nostrils shaped like small tubes

A tube made of cells joined end to end that carries nutrients in flowering plants and some algae

A device placed in moving air or water that measures pressure

One of two tubes that carry an egg from the ovary to the uterus

A tube with a narrow middle that measures how fast liquid moves in a pipe by lowering pressure

A tube in a boiler that carries water to be heated to make steam

A tube with no air that makes X rays when fast electrons hit metal