Meaning & use

experiment

noun, verb·Academic

Last updated

UK/ɪkˈsperɪmənt/
US/ɪkˈspɛrəmənt/

Meanings

  1. nouncountable

    A carefully planned test carried out to learn something or to check whether an idea is true.

    Grammar: Countable: carry out an experiment. Often followed by on, with, or to show purpose.

    Patterns

    • conduct an experiment
    • an experiment on something
    • an experiment to do something

    The class carried out an experiment to see how plants react to light.

    Scientists repeated the experiment three times to confirm the result.

    The experiment showed that the drug had no effect.

  2. nouncountable

    A first attempt at something new, done to see how well it works.

    Grammar: Informal use, outside science: the shop's experiment with late opening.

    Patterns

    • an experiment in something
    • an experiment with something

    The city's bike-lane experiment was a success.

    Moving the meeting to the morning was an experiment.

    Her first attempt at baking bread was a messy experiment.

  3. verbintransitive

    To try out new ideas or methods to find out what works.

    Grammar: No object; usually followed by with or on: experiment with new flavors.

    Patterns

    • experiment with something
    • experiment on something

    He likes to experiment with spices when he cooks.

    Teachers are experimenting with shorter school days.

    Researchers experiment on cells grown in a lab.

Word forms

pluralexperiments
third person singularexperiments
past tenseexperimented
past participleexperimented
-ing formexperimenting

Common combinations

conduct an experiment
Researchers conduct an experiment every spring.
controlled experiment
A controlled experiment compares two groups.
run an experiment
We ran an experiment to test the new design.
laboratory experiment
The laboratory experiment took six weeks.
experiment with
She likes to experiment with hairstyles.

Synonyms and how they differ

test
Test is broader and can be a quick check, while experiment suggests a planned process to learn something new.
trial
Trial is used for testing something, such as a drug, in real conditions, rather than finding a general fact.
investigation
Investigation is any careful search for facts and need not involve a controlled test.
pilot
A pilot is a small trial run of a project before a full launch, which is narrower than an experiment.

Word family

experimental adjective
based on or used in experiments, or new and untried
experimentation noun
the process of trying things out
experimenter noun
a person who carries out an experiment
experimentally adverb
by means of experiments

Commonly confused: experiment or experience? experiment or expert?

experiment vs experience

Experience means knowledge from doing something over time, while an experiment is a planned test. They are close in spelling and root.

experiment vs expert

An expert is a person with great skill, not a test.

Practice

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