simple past tense and past participle of research

One who researches.

(uncountable, countable in some dialects) Diligent inquiry or examination to seek or revise facts, principles, theories, applications, etc.; laborious or continued search after truth.

(transitive) To search or examine with continued care; to seek diligently. / (intransitive) To make an extensive investigation into. / (transitive) To search again.

present participle of research

The act of carrying out research.

plural of researcher

Third-person singular simple present indicative form of research

(rare) plural of research

plural of researching