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

echo

the repetition of sound caused by the reflection of sound waves from a surface

greenhouse

a structure that is made of transparent material, such as glass or plastic, and is used to grow plants

calibrate

to make sure that a measuring tool is giving accurate readings

global warming

the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere

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