15-Letter Words Containing: U,E,S,T,R,U,M

• walk around something

• 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.

• 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.