(mineralogy) An uncommon mineral, one of very few gemstones that are naturally radioactive. (It contains thorium.)

(mineralogy) A hexagonal-pyramidal mineral containing boron, calcium, chlorine, hydrogen, and oxygen.

(mineralogy) A hexagonal-dihexagonal pyramidal brownish black mineral containing arsenic, hydrogen, iron, oxygen, silicon, and zinc.

(chemistry, archaic) gallium, as a hypothetical element before its discovery

A transliteration of the Greek female given name Αικατερίνη (Aikateríni).

pertaining to the Ekavian dialect

(Hinduism) The eleventh day (tithi) of the lunar fortnight (paksha) of every lunar month in the Hindu calendar.

(Hinduism, Buddhism) Extreme focus on a particular point.

(Hinduism) The Hindu lord Ganesha.

Asplenium nidus, an epiphytic fern.