Как по Английски будет актиний

noun

A sea anemone.

Примеры использования:

However, actinians, like all coelenterates, capture and digest animal prey with their nematocysts.

noun

The chemical element of atomic number 89, a radioactive metallic element of the actinide series. it is rare in nature, occurring as an impurity in uranium ores.

Примеры использования:

Along the way, these disintegration series produce radioactive isotopes of protactinium, thorium, a…