tobacco that has been softened, sweetened, and pressed into cakes.
Henry, 1731–1810, English chemist and physicist.
William, 4th Duke of Devonshire, 1720–64, British statesman: prime minister 1756–57.
tobacco that has been sweetened and pressed into moulds to form bars
Henry. 1731–1810, British physicist and chemist: recognized hydrogen, determined the composition of water, and calculated the density of the earth by an experiment named after him
British chemist and physicist who in 1766 discovered hydrogen, which he called “inflammable air.” He also demonstrated that it is the lightest of all the gases and established that water is a compound of hydrogen and oxygen. In 1798, Cavendish estimated with great accuracy the mean density of the Earth.
caveola ca·ve·o·la (kā-vē’ə-lə) n. pl. ca·ve·o·lae (-lē’) A small vesicle, or recess, especially one communicating with the outside of a cell and extending inward, indenting the cytoplasm and the cell membrane.
a person who studies or explores caves. Historical Examples
- Cavern diver
noun the practice of diving in underwater caverns, which requires special equipment and techniques and involves exploration of permanent, naturally occurring overhead environments while remaining within sight of their entrances Examples Cavern divers generally go no further than 130 feet from the surface.
a cave, especially one that is large and mostly underground. Pathology. a cavity that is produced by disease, especially one produced in the lungs by tuberculosis. to enclose in or as if in a cavern. to hollow out to form a cavern. Contemporary Examples Historical Examples noun a cave, esp when large and formed by […]