Your Science Glossary

Use our inbuilt science glossary to look up the meaning of a word, see how it can be used in different contexts, and even learn its etymology. Filter by ‘Primary Information’ or ‘Secondary Information’ to find the best results for you.

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Words of the day

protactinium

a rare chemical element with the symbol Pa and atomic number 91

combustion

a chemical reaction that occurs when a fuel combines with oxygen and releases energy in the form of heat and light

heard

to perceive sound with the ears

senses

the ways that we receive information from the world around us

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