(obsolete, inorganic chemistry) potassium chromate

(physics) A naturally-occurring radioactive isotope of potassium, ⁴⁰₁₉K, having nineteen protons and twenty-one neutrons, and a half-life of 1.3 billion years; it is the chief source of natural radioactivity in living tissue

An ion selective electrode used to measure the concentration of potassium ions, especially in biological fluids.

(chemistry) A potassium salt of chromic acid, K₂Cr₂O₇; the orange crystals are soluble in water, and it is used as an oxidizing agent and in photography.

(inorganic chemistry) The potassium salt of hydrocyanic acid, KCN; the colourless crystals are soluble in water, and it is extremely poisonous, and is used in electroplating, the extraction of gold and silver from their ores, and in photography.

(physics) An artificially produced radioactive isotope of potassium, ⁴³₁₉K, having a half-life of 22 hours; used in medicine as a tracer

A river in the eastern United States that flows along the borders of Maryland, Virginia, and West Virginia, and through Washington, DC.

(mineralogy) Any of several alkaline feldspars containing potassium aluminium silicate, KAlSi₃O₈

plural of potato chip

(Britain) A potato chip.