source: By Los Alamos National Laboratory - Taken from "A Review of Criticality Accidents", LA-13638, Figure 42, page 75, Los Alamos National Laboratory 1, Public Domain

noun |ikˈsperəmənt|

a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact:

«…の分野における/…に対する/…を用いた» (科学的な)実験; (実験的な)試み «in/on/with»

e.g. I have tested this by experiment

e.g. laboratory experiments on guinea pigs.

a course of action tentatively adopted without being sure of the eventual outcome:

実験すること, 試みること

e.g. the previous experiment in liberal democracy had ended in disaster.

verb |ikˈsperəmənt| no object

perform a scientific procedure, especially in a laboratory, to determine something:

«…の分野で/…に対して/…を用いて» 実験する; 試みる «in/on/with»

e.g. she experimented on chickens as well as mice.

try out new concepts or ways of doing things:

e.g. the designers experimented with new ideas in lighting.

Middle English: from Old French, or from Latin experimentum, from experiri ‘try’. Compare with experience and expert.