Science / Chemistry / Atomic Weight: The average mass of an atom of an element, usually expressed in atomic mass units. The terms mass and weight are used interchangeably in this case. The atomic weight given on the periodic table is a weighted average of isotopic masses found in a typical terrestrial sample of the element.
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Weight Noun Synonyms: arrange, manipulate, bias, incline, slant, rig
Weight Verb Synonyms: heaviness, avoirdupois, mass, tonnage, heft
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Science / Chemistry / Molecular Weight: The average mass of a molecule, calculated by summing the atomic weights of atoms in the molecular formula. Note that the words mass and weight are often used interchangeably in chemistry. MORE
Science / Chemistry / Formula Weight: The formula weight is the sum of the atomic weights of the atoms in an empirical formula. Formula weights are usually written in atomic mass units (u). MORE
Science / Biology / Subatomic Particles: The three kinds of particles that make up atoms: protons, neutrons, and electrons. MORE
Business / Finance / Price-Weighted Index: An index giving a greater influence to higher-valued stocks by weighting all component stocks by their price. MORE
Entertainment / Golf / Swing Weight: The relative weight of a clubhead's leverage (usually measured on a scale with a 12 or 14-inch fulcrum), technically - moment of inertia, or the tendency of a body to resist angular acceleration: swin MORE
Technology / Television (TV) / Advertising Weight: A measure of advertising delivery, normally stated in terms of number of commercials, homes reached, target audience impressions, and gross rating points. MORE