Experiment vs Research

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

Experiment

Top 1,000 (very common)A2noun

Research

Top 1,000 (very common)A2noun
 ExperimentResearch
Pronunciation🇬🇧 /["/ɪkˈsperɪmənt/"]/🇺🇸 /["/ɪkˈsperɪmənt/"]/🇬🇧 /["/rɪˈsɜːtʃ//ˈriːsɜːtʃ/"]/🇺🇸 /["/ˈriːsɜːrtʃ//rɪˈsɜːrtʃ/"]/
MeaningA test to find out something new.The act of studying something carefully to learn more about it.
ExampleThe scientist conducted an experiment to test her hypothesis.The research on climate change is very important for our future.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A2
Part of speechnounnoun
Collocationsanimal, field, laboratory, carry out, conduct, do, confirm something, demonstrate something, find something, by experiment, during an/​the experiment, in an/​the experiment, animal, field, laboratory, carry out, conduct, do, confirm something, demonstrate something, find something, by experiment, during an/​the experiment, in an/​the experimentcareful, 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
Antonymscertainty, factignorance, inactivity
Common mistakesConfused with 'experience' which refers to knowledge gained over time., Using 'experiments' as a verb instead of the noun form., Saying 'experimenting of' instead of 'experimenting with'.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 notesUsed in scientific contexts but can also refer to trying new ideas in everyday life. More formal in academic writing.Used in academic and professional contexts. Avoid using 'research' as a verb in casual conversation; instead, use 'study' or 'look into'.

Frequently asked questions: Experiment vs Research

What's the difference between Experiment and Research?

Experiment: A test to find out something new. Research: The act of studying something carefully to learn more about it.

Are Experiment and Research the same CEFR level?

Experiment: A2, Research: A2 on the CEFR scale.

Can I use Experiment and Research interchangeably?

Not always. Experiment 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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