/ɪk,sperɪmen'teɪʃn; ɪk,spɛrəmɛn`teʃən/
n [U] (fml 文) activity, process or practice of experimenting 实验; 试验
*Many people object to experimentation on animals. 许多人反对用动物做实验.
* [attrib 作定语] experimentation methods 实验方法.

n[U]
the process of testing various ideas, methods etc to find out how good or effective they are
experimentation with/in
　experimentation with computer-assisted language learning
the process of performing scientific tests to find out if a particular idea is true or to obtain more information
　The issue of animal experimentation is an emotive subject.
when you try doing something to find out what it feels like, for example having sex or using illegal drugs
experimentation with
　experimentation with cannabis
　There is often a period of sexual experimentation during adolescence.