See Also: tulip-shell(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
tulip(dictionary)
tulip(medicine)
tulip(dictionary)
tulip(encyclopedia)
Tulip Air(tourism)
tulip tree(encyclopedia)
Golden Tulip(tourism)
tulip-eared(medicine)

mass number (medicine) and tulip-shell (medicine)


mass number (medicine)


mass number


The mass of the atom of a particular isotope relative to hydrogen-1 (or to 1/12 the mass of carbon-12), generally very close to the whole number represented by the sum of the protons and neutrons in the atomic nucleus of the isotope (indicated in the name or symbol of the isotope; e.g., oxygen-16, 16O); not to be confused with the atomic weight of an element, which may include a number of isotopes in natural proportion.


tulip-shell (medicine)


tulip-shell
<zoology> A large, handsomely coloured, marine univalve shell (Fasciolaria tulipa) native of the Southern United States. The name is sometimes applied also to Other species of Fasciolaria.

Source: Websters Dictionary