14-Letter Words Containing: OSTR

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• The gross structure of a material or tissue as visible to the unaided eye or at very low levels of magnification.

• The gross structure of a pure metal or alloy, as revealed by magnifications of 10X or less.

• Any of very many crustaceans of the class Malacostraca

• The fine structure of a material or tissue as revealed by microscopy.

• The fine structure of a pure metal or alloy, as revealed by magnifications of 25X or greater.

• Fine-scale structure in such variables as temperature, salinity, velocity, etc.