Lambert's cosine law
(aviation, slang) The lock pin used to help secure the Jesus nut of some helicopters.
(optics) A law stating that the radiant intensity or luminous intensity observed from an ideal diffusely reflecting surface or ideal diffuse radiator is directly proportional to the cosine of the angle between the direction of the incident light and the surface normal.
Without nipples. / Without covering for nipples
simple past tense and past participle of decarbonate
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