WordHive Learning Dictionary

Experiment

noun, verb

a planned test used to answer a question, or to try something and observe the result.

10 letters 4 syllables

What does Experiment mean?

a planned test used to answer a question, or to try something and observe the result.

Updated

Dictionary definition

A controlled investigation used to test an idea, answer a question, or learn how something works; as a verb, experiment means to try a method or idea and observe what happens.

Example sentences

Experiment in a sentence

easy

Our experiment tested which material absorbed the most water.

medium

The class changed one variable and measured the result in each trial.

hard

Scientists experiment with methods, document unexpected results, and revise explanations when evidence disagrees with a prediction.

Writing practice

Ready to write your own? Study the examples, then practice experiment in a sentence with Sentence Builder checklist feedback.

Quick practice
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Practice the meaning of Experiment

Answer three quick questions about its meaning and related words.

Practice 1

What is a science experiment?

Practice 2

Which investigation is the fairest experiment?

Practice 3

Which sentence uses experiment as a verb?

Pronunciation coach
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Experiment

Voice settings
Sounds like

experiment

Listen, then repeat the word.

Synonyms

Words like Experiment

testA close term when experiment means a planned procedure used to investigate an idea.
trialA close term for one attempt or test within an investigation.
try outA close verb phrase when experiment means to try a method and observe what happens.
Antonym review

Does Experiment have an opposite?

Experiment has investigation and trying-out senses but no direct antonym. Guess, confusion, evidence, and method name different parts or conditions rather than opposites.

Synonym practice

Want to practice experiment synonyms in context? Try a Synonym Search question like "The experiment tested how seeds grow in sunlight," then compare close word choices. Practice experiment synonyms.

Word family

Experiment word family

Base word

experiment

noun

experiments

More than one experiment; it can also mean tries methods or ideas.

adjective

experimental

Related to an experiment or being tried as a test.

noun

experimenter

A person who performs an experiment.

Related words
Student support

Understand Experiment

Hint for students

An experiment is planned so evidence can answer a question; it is more than simply trying something once.

Common mix-up

An experiment is not automatically fair because it happens in science class. Its method must control relevant variables and gather usable evidence.

Try it in class or at home

Groups critique three short experiment plans, identify changing and controlled variables, repair one unfair plan, and design a results table before conducting any test.

Teacher prompt

What makes an experiment fair and useful? Discuss the question, tested variable, controlled conditions, repeated trials, measurements, and records.