experimenting russian

• химичащий

  experimenting (with chemicals), doing chemistry, tinkering (with chemicals)

• химичивший

  who had been dabbling in chemistry, who had been experimenting with chemicals (informally)

• эксперименти́рующий

  experimenting, experimental

Examples

• Том не бои́тся эксперименти́ровать.Tom isn't afraid of experimenting.
• Том лю́бит эксперименти́ровать.Tom likes experimenting.
• Лаборато́рия произво́дит о́пыты с но́вым химика́том.The laboratory is experimenting with a new chemical.
• Они испы́тывают но́вую маши́ну.They're experimenting with a new car.