実験
jikken[d͡ʑik̚kẽ̞ɴ]
The English word "experiment" is translated into Japanese as 実験 (jikken).
実験 (jikken) is a common and versatile term used to refer to a scientific experiment performed under controlled conditions.
Meaning: test under controlled conditions (noun)
Which one should you use?
While 実験 refers specifically to a scientific experiment, the word 試行 is used when referring to a trial, an attempt or a test run of a product or a process.
Related words
How does it change in a sentence?
The noun 実験 can be turned into a verb meaning "to conduct an experiment" by adding the suffix する to create 実験する.
How do you pronounce it?
jikken
Did you know?
- The first character of 実験, 実, also means 'fruit' or 'reality'. This suggests that an experiment is a process used to bring a theoretical idea into a tangible, 'fruitful' result.
- While 実験 is the standard term, if you are talking about a 'trial' in a legal context, such as a court trial, you must use 裁判 (saiban) instead, as 実験 would sound like a scientific test.
- While 実験 is for science, the adjective form 実験的 is sometimes used to describe a 'trial marriage' or a 'test relationship'.
Examples in context
- 彼は実験を続けた。He carried on with his experiment.This sentence shows how to use 実験 to describe carrying on with an experiment.Tatoeba #104718 by bunbuku, translation #298973 by CK
- 実験は成功だった。The experiment was successful.This sentence is useful for describing an experiment that was a success using 実験.Tatoeba #149359 by tommy_san, translation #265199 by CK
- その実験は失敗だった。That experiment was a failure.This sentence is useful for describing an experiment that was a failure using 実験.Tatoeba #209634 by small_snow, translation #46896 by CK
- 実験の結果は驚くべきだった。The result of the experiment was astonishing.
- 新しい試みをする勇気を持ってください。Please have the courage to try new experiments.
- あの実験、すごくおもしろかった！That experiment was really interesting!
- 14 more sentences on Tatoeba
Example conversation
Two university students are talking in a laboratory.
- 結衣 Yui陽太くん、次の実験は何をするの？Youta-kun, tsugi no jikken wa nani o suru no?Youta, what is the next experiment?
- 陽太 Yota化学薬品の反応を調べる実験だよ。Kagaku yakuhin no hannou o shiraberu jikken da yo.It is an experiment to check the reaction of chemicals.
- 結衣 Yui難しそうだけど、頑張ってね。Muzukashisou dakedo, ganbatte ne.It looks difficult, but good luck.
- 陽太 Yotaありがとう、結衣ちゃん。Arigatou, Yui-chan.Thank you, Yui.
Sources
- Wiktionary, “experiment” translations and entries 実験, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.
