A silvery, radioactive metallic element of the actinide series. It occurs naturally in minute amounts in uranium ores and is produced artificially as a byproduct of plutonium production. Its longest-lived isotope is Np 237 with a half-life of 2.1 million years. Atomic number 93.
a registered nurse who has received special training and can perform many of the duties of a physician
a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
Find another word for np. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for np, like: neptunium, nurse-practitioner, nurse clinician, atomic number 93, Calilegua, , Lauca, Drawienski, gunung, bundala and Itatiaia.