(mineralogy) A trigonal-hexagonal scalenohedral black mineral containing antimony, arsenic, copper, silver, and sulfur.

A surname transferred from the given name.

plural of pearlfish

plural of pearl-bordered fritillary

A medium size, orange and brown butterfly with pearl markings on the under wing, Boloria euphrosyne, of the family Nymphalidae.

A pearl that has an irregular shape

Resembling pearl or mother-of-pearl; pearly.

(organic chemistry) A white amorphous or granular substance which consists principally of potassium carbonate and has a strong alkaline reaction. It is obtained by lixiviating wood ashes and evaporating the lye, and has been an important source of potassium compounds. It is used in making soap, glass, etc.

Briza media, a variety of grass. / Oldenlandia corymbosa; snake tongue grass, Old World diamond-flower / Micranthemum micranthemoides (syn. Hemianthus micranthemoides)

plural of pearch