(horticulture) The practice of covering plant roots with stone, in the manner of a mulch.

A plant species of the genus Rubus, Rubus saxatilis.

(alchemy, uncountable) A supposed substance able to turn base metals, such as lead or mercury, into gold or silver, also sometimes claimed to cure any illness (as panacea) or confer immortality (as elixir of life), among other functions.

(medicine) A calculus in the kidney.

A large inscribed stone found near Rosetta, Egypt, in 1799, later used as a basis for understanding many previously undecipherable examples of hieroglyphic writing.

Any gem, such as a diamond or ruby, that is expensive because of its rarity or desirability; especially one set into a piece of jewelry.

Completely deaf.

Completely blind.

Completely cold. / Without emotion.

A prehistoric monument consisting of an upright megalith; often in groups