English Reference
noun

experimentation

n.
US /ɪkˌspɛɹəmənˈteɪʃən/ UK /ɛkspˌɛɹɪməntˈeɪʃən/ ex·per·i·men·ta·tion UK spelling experimentation's, experimentation's

  1. 01 B2 Upper Intermediate Academic Science

    the act of doing scientific tests to learn more about how something works.

    the practice of conducting controlled tests or observations to validate a hypothesis or investigate causal relationships.

    Simple

    The new drug is still in the stage of animal experimentation.

    In context

    Rigorous experimentation is required to ensure that the results are not merely the product of environmental variables or statistical noise.

    Usage

    Often used as an uncountable noun when referring to the general practice of science.

    Teacher's tip

    In academic contexts, emphasize that this implies a structured method rather than just 'trying things out'.

  2. 02 B2 Upper Intermediate

    trying different methods, styles, or ideas to see which one you like best.

    the act of trying out new concepts, techniques, or artistic styles to achieve a novel result.

    Simple

    After some experimentation in the kitchen, he finally found the perfect recipe for spicy bread.

    In context

    The director's early work was marked by bold experimentation with non-linear storytelling and unconventional camera angles.

    Teacher's tip

    This sense is common in arts, cooking, and business to describe a creative or flexible approach.

Blended Finance Canada will combine research with real-world experimentation to understand why climate, social-impact and community-led projects struggle to access capital and what financial approaches can help overcome those barriers.

Phys.org· 27 Aug 2026

He brightens, recalling the “open, relaxed” experimentation of the trio’s thickly groove-driven 1982 Full Circle album.

The Guardian· 19 Aug 2026

From Latin ex- + -periri (akin to periculum), "attempt". Morphologically experiment + -ation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated