optically inactive 形容詞
 非旋光性的,不旋光的,不起偏振(作用)的(化學)


 Op·tic·al·ly, adv.
 1. By optics or sight.
 2. With reference to optics.
 Optically active, Optically inactive Chem. Physics, terms used of certain isomeric substances which, while identical with each other in other respects, differ in this, viz., that they do or do not produce right-handed or left-handed circular polarization of light.  See optical activity.
 Optically positive, Optically negative. See under Refraction.

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 In·ac·tive a.
 1. Not active; having no power to move; that does not or can not produce results; inert; as, matter is, of itself, inactive.
 2. Not disposed to action or effort; not diligent or industrious; not busy; idle; as, an inactive officer.
 3. Chem. & Opt. Not exhibiting any action or activity on polarized light; optically inactive; optically neutral; -- said of isomeric forms of certain substances, in distinction from other forms which are optically active; as, racemic acid is an inactive tartaric acid.
 Syn: -- Inert; dull; sluggish; idle; indolent; slothful; lazy. See Inert.

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