And in âwetâ areas such as the kitchen and bathrooms a semi-gloss is ideal. Now a low sheen paint can be used in bathrooms and kitchens to maintain consistency throughout the home. Some paints are both interior and exterior, these tend to be your middle of the line paints.
Noun. 1. isotope-one of two or more atoms with the same atomic number but with different numbers of neutrons. atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element. radioisotope-a radioactive isotope of an element; produced either naturally or artificially.
radioactive isotope. n. An isotope having an unstable nucleus that decomposes spontaneously by emission of a nuclear electron or helium nucleus and radiation, thus achieving a stable nuclear composition. chemical element having the same atomic number as another (i.e. the same number of nuclear protons), but having a different atomic mass (i.e. a different number of nuclear neutrons). radioactive isotope. one having an unstable nucleus and which emits characteristic radiation during its decay to a stable form.