Definitionn. the property of something that cannot be pervaded by a liquid
Last update: October 26, 2015
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Not only was he the first discoverer of the rotifers, but he showed "how wonderfully nature has provided for the preservation of their species," by their tolerance of the drying-up of the water they inhabit, and the resistance afforded to the evaporation of the fluids of their bodies by the impermeability of the casing in which they then become enclosed. [Please select]
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Methods of waterproofing may be roughly classified as follows: (1) Use of mixtures so proportioned as to be impervious; (2) admixture of substances designed to produce impermeability; (3) use of waterproof coatings, washes or diaphragms. [Please select]
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In any case, this impermeability cannot be attributed to the excremental mosaic, which the cocoons of the resin-working Anthidia do not possess, though endowed with an apex of the very best. [Please select]
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The impermeability which the potter obtains by the brutal infusion of his mineral ingredients the Halictus achieves with the soft polisher of her tongue moistened with saliva. [Please select]
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