блестящий

I

The fibre is lustrous.

Protactinium metal is shiny (or lustrous, or bright) (in appearance).

II

см. тж. яркий

These observations were a dramatic demonstration of ion acceleration to useful energies.

Huygens' most startling (or dramatic) astronomic discovery involved Saturn.

Источник: Русско-английский научно-технический словарь на Gufo.me