experiment

[ik-sper-uh-muhnt, ek-sper-uh-ment]

noun

1. a test, trial, or tentative procedure; an act or operation for the purpose of discovering something unknown or of testing a principle, supposition, etc..

   a chemical experiment; a teaching experiment; an experiment in living.

2. the conducting of such operations; experimentation.

   a product that is the result of long experiment.

   Synonyms: investigation, research

3. Obsolete.,  experience.

verb (used without object)

1. to try or test, especially in order to discover or prove something.

   to experiment with a new procedure.

experiment

noun

1. a test or investigation, esp one planned to provide evidence for or against a hypothesis: a scientific experiment

2. the act of conducting such an investigation or test; experimentation; research

3. an attempt at something new or different; an effort to be original

   a poetic experiment

4. an obsolete word for experience

verb

1. (intr) to make an experiment or experiments

experiment

1. A test or procedure carried out under controlled conditions to determine the validity of a hypothesis or make a discovery.

2. See Note at hypothesis

Other Word Forms

• experimenter noun
• experimentor noun
• experimentator noun
• preexperiment noun
• proexperiment adjective
• reexperiment verb (used without object)
• unexperimented adjective

Word History and Origins

Origin of experiment¹

First recorded in 1325–75; Middle English: “proof,” from Latin experīmentum “test, trial,” from experī(rī) “to test, try” ( experience ) + -mentum -ment

Word History and Origins

Origin of experiment¹

C14: from Latin experīmentum proof, trial, from experīrī to test; see _experience

Synonym Study

See trial.

Example Sentences

It would be the perfect period to experiment and build experiences for youngsters, with England's last four matches of 2025 being friendlies.

Read more on BBC

However, experiments have consistently shown that electrons move only through the D1 branch -- a finding that has baffled scientists for years.

Read more on Science Daily

That means stars are more likely to dive in and start experimenting with AI immediately.

Read more on The Wall Street Journal

A video of the experiment is available below the article.

Read more on Science Daily

In addition, Wall Street firms seem to be experimenting with moving out of New York.

Read more on MarketWatch

Related Words

• analysis 
• attempt 
• enterprise 
• examination 
• exercise 
• experimentation 
• measure 
• observation 
• operation 
• practice 
• probe 
• procedure 
• research 
• search 
• study 
• trial 
• undertaking 
• venture