the principle that for a ray, radar pulse, or the like, that is incident on the interface of two media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocity of the ray in the first medium to the velocity in the second medium and the incident ray, refracted ray, and normal to the surface at the point of incidence all lie in the same plane.
noun, Genetics. 1. the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent. law of segregation n. See Mendel’s law. law of segregation See under Mendel’s law.
- Law of similars
law of similars n. A principle of homeopathic medicine stating that a drug capable of producing morbid symptoms in a healthy person will cure similar symptoms occurring as a manifestation of disease.
noun, Trigonometry. 1. a law stating that the ratio of a side of a plane triangle to the sine of the opposite angle is the same for all three sides. 2. a law stating that the ratio of the sine of an arc of a spherical triangle to the sine of the opposite angle is […]
- Law of succession
noun the laws regarding the appointment or replacement of a head of state or monarch