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Kids glossary

Words explained simply

419 words from maths, science, computers and English, each explained in a sentence or two. Pick a letter, or scroll down for all of them.

Words that start with V

16 words start with V. Show all words

V

Vaccine Science
A medicine that teaches the body to fight a particular germ before it can make you ill.
Variable Maths
A letter, like x, that stands for a number that can change or that we do not know yet.
Variable (coding) Computers
A named box in a program that stores a value which can change, like a score.
Verb English
A word for an action or a state, like "run", "think" or "is".
Verse English
A line or a group of lines in a poem or song.
Vertebrate Science
An animal with a backbone, like a fish, a bird or a person.
Vertex Maths
A corner, where two or more edges meet. The plural is vertices.
Vertical Maths
Straight up and down, like a flagpole.
Vibration Science
A fast back-and-forth movement. Sounds are made by vibrations.
Virus (biology) Science
A tiny germ, much smaller than bacteria, that can make people ill. It can only multiply inside living cells.
Virus (computer) Computers
A harmful program that spreads from computer to computer and can damage files.
Vitamin Science
A substance in food that the body needs in small amounts to stay healthy.
Volcano Science
An opening in the Earth's crust where hot melted rock, ash and gas can burst out.
Voltage Science
The push that makes electric current flow in a circuit. We measure it in volts.
Volume Maths
The amount of space that a solid thing takes up, measured in cubic units.
Vowel English
The letters a, e, i, o and u, which make the open sounds in words.

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