Shell Noun Synonyms: cartridge, projectile, shot
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Science / Spiders / Fourier Shell Correlation (FSC): same as Fourier ring correlation, except that values of the discrete Fourier transforms are compared within corresponding shells, instead of rings [van Heel, 1987b. MORE
Science / Chemistry / Valence Shell: The shell corresponding to the highest value of principal quantum number in the atom. The valence electrons in this shell are on average farther from the nucleus than other electrons; they are often d MORE
Science / Chemistry / Subshell: A set of electrons with the same azimuthal quantum number. The number of electrons permitted in a subshell is equal to 2ell + 1. MORE
Business / Agriculture / Interstate Shellfish Sanitation Conference (ISSC): The federal-state-industry cooperative body which manages the National Shellfish Sanitation Program. MORE
Business / Agriculture / National Shellfish Sanitation Program (NSSP): A program under which the federal Food and Drug Administration works cooperatively with the states, the Interstate Shellfish Sanitation Conference, and industry to assure the safety of molluscan shell MORE