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Vermont

(Encyclopedia)CE5 Vermont vərmŏntˈ [key] [Fr.,=green mountain], New England state of the NE United States. It is bordered by New Hampshire, across the Connecticut River (E), Massachusetts (S), New York, with ...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

crayfish

(Encyclopedia)crayfish or crawfish, freshwater crustacean smaller than but structurally very similar to its marine relative the lobster, and found in ponds and streams in most parts of the world except Africa. Cray...

jade

(Encyclopedia)jade, common name for either of two minerals used as gems. The rarer variety of jade is jadeite, a sodium aluminum silicate, NaAl(SiO3)2, usually white or green in color; the green variety is the more...

bowls

(Encyclopedia)bowls, ancient sport (the bocce of Caesar's Rome is still played by Italians), especially popular in Great Britain and Australia, known as lawn bowls or bowling on the green in the United States. It w...

cuesta

(Encyclopedia)cuesta kwĕsˈtə [key], asymmetric ridge characterized by a short, steep escarpment on one side, and a long, gentle slope on the other. The steep side exposes the edge of erosion-resistant rock layer...

chrysoberyl

(Encyclopedia)chrysoberyl krĭsˈəbĕrˌĭl [key] [Gr.,=golden beryl], a beryllium aluminate used as a gem. It has a vitreous luster and is transparent to translucent. The more valuable cat's-eye is a variety of c...

olivine

(Encyclopedia)olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...

Equisetophyta

(Encyclopedia)Equisetophyta ĕkˌwəsətŏfˈətə [key], small division of the plant kingdom consisting of the plants commonly called horsetails and scouring rushes. Equisetum, the only living genus in this divisi...

garnet

(Encyclopedia)garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double silicates; one of ...