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

Other towns across the U.S. have experimented with similar stores with varying levels of success.

Read more on The Wall Street Journal

By combining biochemical experiments with cryo-electron microscopy, the research group demonstrated that ribosome collisions serve as the main activation cue for ZAK.

Read more on Science Daily

“He was experimenting — making light itself architectural,” says York.

Read more on Los Angeles Times

Their experiments showed that UV radiation posed the biggest threat, and sporophytes clearly outperformed the other structures.

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In experiments, this apigenin stimulated soil bacteria to form protective biofilms, enabling nitrogenase to fix nitrogen in a usable form that the wheat could absorb.

Read more on Science Daily

Related Words

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