noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/ɪkˌspɛɹ.ɪ.mənˈteɪ.ʃən/
UK:/ɛkˌspɛɹ.ɪ.mənˈteɪ.ʃən/
US:/ɪkˌspɛɹ.ə.mənˈteɪ.ʃən/
US:/ɪkˌspɪɹ.ə.mənˈteɪ.ʃən/
Texas:Recorded audio is listed in the source snapshot.
rhymes with -eɪʃən
CMU ARPABET:IH0 K S P EH2 R AH0 M AH0 N T EY1 SH AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The act of experimenting; practice by experiment.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A set of actions and observations, performed to verify or falsify a hypothesis or to research a causal relationship between phenomena.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
the act of conducting a controlled test or investigation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: experiment
Antonyms: none provided
Broader terms: scientific research, research project
Narrower terms: testing, trial and error, Michelson-Morley experiment, control experiment
4
noun
Meaning 4
the testing of an idea
Definition source: Princeton WordNet 3.0
Examples
it was an experiment in living
not all experimentation is done in laboratories
Meaning relationships
Synonyms: experiment
Antonyms: none provided
Broader terms: inquiry, enquiry, research
Narrower terms: pilot experiment, trial, trial run, test, tryout
History
Etymology
From Latin ex- + -periri (akin to periculum), "attempt". Morphologically experiment + -ation.
Across languages
Translations
15 source translations are retained for this English entry.
Catalan:
experimentació
— act of experimenting
Chinese Mandarin:
實驗 /实验
(shíyàn)
— act of experimenting
Danish:
eksperimenteren
— act of experimenting
Esperanto:
eksperimentado
— act of experimenting
Finnish:
kokeilu
— act of experimenting
French:
expérimentation
— act of experimenting
Galician:
experimentación
— act of experimenting
German:
Experimentieren
— act of experimenting
Italian:
sperimentazione
— act of experimenting
Māori:
whakamātauranga
— act of experimenting
Norwegian Bokmål:
eksperimentering
— act of experimenting
Norwegian Nynorsk:
eksperimentering
— act of experimenting
Portuguese:
experimentação
— act of experimenting
Russian:
эксперименти́рование
(eksperimentírovanije)
— act of experimenting