Word: viscous
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Dates: during 1930-1939
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...true homogeneous system when combined with other substances. They retain their identity as particles of ultramicroscopic size (from 1 to 100 millionths of a millimetre) when dispersed in another medium. Pulverized coal when added to oil will settle out almost immediately. It was known that in an extremely viscous oil coal pulverized as small as 1/10,000 of a mm. would sink with less speed. Also surface energies on the particles would tend to keep the mixture more stable. With coal ground so fine that it would pass through a sieve of 80 meshes to the cm. the sinking would...
...recitation buildings and Widener. By this diversion of student traffic a minor annoyance has become a public nuisance. I refer to the condition of the sidewalks on the west side of Quincy Street. During the last few days of thaw the curbings have enclosed a river of viscous, soupy, yellow mud quite impossible to walk in without acquiring an ample coating on one's shoes and trousers...