# experimentally

/ɪkˌspɛɹəˈmɛntəɫi/ (US) · /ɛkspˌɛɹɪmˈɛntəli/ (UK) · CEFR B2 · Adverb

Source: https://englishreference.com/word/experimentally
Updated: 2026-05-11

## Definition

in a way that uses tests or trials to find out if something works or is true. You use this when you are trying something new to see what happens.

For teachers: by means of scientific tests, trials, or tentative procedures to validate a hypothesis or observe an effect. Often used to distinguish empirical evidence from theoretical predictions.

## Examples

- The scientists tested the new drug experimentally.
- The engineers decided to test the bridge design experimentally using a small-scale model in a wind tunnel.
- While the mathematical model predicted a stable outcome, the researchers had to verify the results experimentally to account for unpredictable environmental variables.

## Usage notes

- Typically follows the verb it modifies or appears at the end of the clause.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.