Molecular Weight

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.

Other Words for Weight

Weight Verb Synonyms: heaviness, avoirdupois, mass, tonnage, heft
Weight Noun Synonyms: arrange, manipulate, bias, incline, slant, rig
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Thumb Weight

Entertainment / Bowling / Thumb Weight: Method of drilling the ball so that the thumbhole is closer to the label than are the finger holes; it is considered a negative weight; see finger weight. MORE

Swing Weight

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

Top Weight

Entertainment / Bowling / Top Weight: Drilling of a ball so that there is more weight above the label than there is below; it is considered a positive weight. See bottom weight. MORE

Underweighted

Business / Taxes / Underweighted: When you own less of a security, an asset class, or a subclass than your target asset allocation calls for, you are said to be underweighted in that security, asset class, or subclass. For example, if MORE

Unsprung Weight

Technology / Motorcycle / Unsprung Weight: The mass of the motorcycle that is not supported by the suspension, such as the wheels, brakes, tires, etc. (Also known as unsprung mass). For comparison, the rest of the motorcycle that is supported MORE

Unimolecular Reaction

Science / Chemistry / Unimolecular Reaction: A reaction that involves isomerization or decomposition of a single molecule. MORE

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