Mercury barometers

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• Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …   Wikipedia

• Mercury — Mer cu*ry, n. [L. Mercurius; akin to merx wares.] 1. (Rom. Myth.) A Latin god of commerce and gain; treated by the poets as identical with the Greek Hermes, messenger of the gods, conductor of souls to the lower world, and god of eloquence. [1913 …   The Collaborative International Dictionary of English

• mercury — ► NOUN ▪ a heavy silvery white liquid metallic element used in some thermometers and barometers. DERIVATIVES mercuric adjective mercurous adjective. ORIGIN from Mercury, the Roman messenger of the gods …   English terms dictionary

• mercury — Symbol: Hg Atomic number: 80 Atomic weight: 200.59 Heavy silvery liquid metallic element, belongs to the zinc group. Used in thermometers, barometers and other scientific apparatus. Less reactive than zinc and cadmium, does not displace hydrogen… …   Elements of periodic system

• Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …   Wikipedia

• mercury processing — Introduction       preparation of the ore for use in various products.       Mercury (Hg) has a unique combination of physical properties. Its low melting point (−38.87° C [−38° F]) and boiling point (356.9° C [674° F]), high specific gravity (13 …   Universalium

• mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …   Universalium

• mercury — A dense liquid metallic element, atomic no. 80, atomic wt. 200.59; used in thermometers, barometers, manometers, and other scientific instruments; some salts and organic mercurials are used medicinally; care must be followed with its handling;… …   Medical dictionary

• mercury — n. 1 Chem. a silvery white heavy liquid metallic element occurring naturally in cinnabar and used in barometers, thermometers, and amalgams; quicksilver. Usage: Symb.: Hg. 2 (Mercury) the planet nearest to the sun. 3 any plant of the genus… …   Useful english dictionary

• Mercury — n. 1 Chem. a silvery white heavy liquid metallic element occurring naturally in cinnabar and used in barometers, thermometers, and amalgams; quicksilver. Usage: Symb.: Hg. 2 (Mercury) the planet nearest to the sun. 3 any plant of the genus… …   Useful english dictionary

• mercury — mercury1 noun the chemical element of atomic number 80, a heavy silvery white liquid metal used in some thermometers and barometers. (Symbol: Hg) Derivatives mercuric adjective mercurous adjective Origin ME: from L. Mercurius, the Roman god of… …   English new terms dictionary