Half-wave plate
[haf-weyv, hahf-] /ˈhæfˌweɪv, ˈhɑf-/
noun, Optics.
1.
a crystal thin enough to cause a phase difference of 180° between the ordinary and extraordinary rays of polarized light, thereby changing the direction of the plane of polarization.
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- Halfway
[haf-wey, hahf-] /ˈhæfˈweɪ, ˈhɑf-/ adverb 1. to half the distance; to midpoint: The rope reaches only halfway. 2. almost; nearly; just about: He halfway surrendered to their demands. adjective 3. midway, as between two places or points. 4. going to or covering only half or part of the full extent: halfway measures. Idioms 5. meet […]
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noun 1. an inn or stopping place situated approximately midway between two places on a road. 2. any place considered as midway in a course. 3. a residence for former mental patients, convicts, or recovering drug users or alcoholics that serves as a transitional environment between confinement and the return to society. noun 1. a […]
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noun 1. a loose boot extending to just above the ankle and usually worn under the trousers.