Как по Английски будет ратит

noun

Any of a group of minerals that consist of complex sulpharsenites of lead, often with thallium and other elements, and occur in crystalline dolomite in the binnental in valais, switzerland; frequently with distinguishing roman numeral; specifically (also rathite-i) the first described of these minerals, which occurs as metallic grey crystals of the monoclinic system and is distinguished from dufrénoysite by the presence of thallium, silver, and (sometimes) antimony.

adjective

(of a bird) having a flat breastbone without a keel, and so unable to fly.

Примеры использования:

When the ratite birds first roamed gondwana, they could walk from any of the places where they late…

noun

Any of the mostly large, flightless birds with a ratite breastbone, i.e. the ostrich, rhea, emu, cassowary, and kiwi, together with the extinct moa and elephant bird.

Примеры использования:

Other ratites, the elephant bird of madagascar and the moas of new zealand, have been extinct for s…