nonparallelism
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nonparallelism — n. * * * … Universalium
nonparallelism — n … Useful english dictionary
Center of mass — In physics, the center of mass of a system of particles is a specific point at which, for many purposes, the system s mass behaves as if it were concentrated. The center of mass is a function only of the positions and masses of the particles that … Wikipedia
Marathon orogeny — ▪ geology mountain building event in the Marathon region of western Texas, U.S., during the Late Carboniferous Period (from 318 million to 299 million years ago). Rocks of Early Permian age (from 299 million to 271 million years old) that… … Universalium