Experiments vs Research

When to use each in English, with meaning, register, and examples.

Experiments

Top 3,000 (common)

Research

Top 1,000 (very common)A2noun
Most common: Research
 ExperimentsResearch
Pronunciation🇬🇧 //ɪkˈspɛrɪmənts//🇺🇸 //ɪkˈspɛrəmənts//🇬🇧 /["/rɪˈsɜːtʃ//ˈriːsɜːtʃ/"]/🇺🇸 /["/ˈriːsɜːrtʃ//rɪˈsɜːrtʃ/"]/
MeaningTests to discover something new or learn more about something.The act of studying something carefully to learn more about it.
ExampleThe scientists conducted several experiments to test their hypothesis.The research on climate change is very important for our future.
RegisterNeutralNeutral
How commonTop 3,000 (common)Top 1,000 (very common)
CEFR level-A2
Part of speechnoun
Collocationsconduct experiments, scientific experiments, experiments with variables, field experiments, laboratory experimentscareful, detailed, in-depth, piece, carry out, conduct, do, demonstrate something, find something, identify something, degree, effort, programme/​program, research in, research into, research on, an area of research, focus your research on something, somebody’s own research
Antonymstheory, conjectureignorance, inactivity
Common mistakesUsing 'experiment' as a countable noun without an article., Confusing 'experiment' with 'experience'., Incorrectly stating 'do experiments' instead of 'conduct experiments'.Using 'research' as an uncountable noun instead of a countable noun (e.g., saying 'a research' instead of 'a piece of research'), Confusing 'research' with 'search' (research is more in-depth and analytical), Using 'research' inappropriately in non-academic contexts
Usage notesUse in scientific or academic contexts. Avoid in casual conversations where simpler phrases might be clearer.Used in academic and professional contexts. Avoid using 'research' as a verb in casual conversation; instead, use 'study' or 'look into'.

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Experiments

Frequently asked questions: Experiments vs Research

What's the difference between Experiments and Research?

Experiments: Tests to discover something new or learn more about something. Research: The act of studying something carefully to learn more about it.

Which is more common: Experiments and Research?

Research is the most common in everyday English.

Can you show an example of each?

Experiments: The scientists conducted several experiments to test their hypothesis. Research: The research on climate change is very important for our future.

Can I use Experiments and Research interchangeably?

Not always. Experiments and Research are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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