DEFINITION of 'Sherman Antitrust Act'. Anti-monopoly U.S. legislation which attempted to increase economic competitiveness. The Sherman Antitrust Act of 1890 made it illegal for companies to seek a monopoly on a product or service, or form cartels.Next Up.nti-monopoly U.S. legislation which attempted to increase economic competitiveness. The Sherman Antitrust Act of 1890 made it illegal for companies to seek a monopoly on a product or service, or form cartels. Next Up.
Two enantiomers of a generic amino acid that is chiral. Chirality /kaÉªËraelÉªtiË/ kaÉªËrÃ¦lÉªtiË is a property of symmetry important in several branches of. Science the word chirality is derived from The, greek (ÏÎµÎ¹Ï), kheir, hand a familiar chiral. objectn object or a system is chiral if it is distinguishable from its mirror image; that is, it cannot be superposed onto it. Conversely, a mirror image of an achiral object, such as a sphere, cannot be distinguished from the object.
Freebase (0.00 / 0 votes) Rate this definition: Opacity. Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc.