Rhus Toxicodendron
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 Webster]

2. (Chem.) A metallic element mostly obtained by reduction from cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called {quicksilver}), and is used in barometers, thermometers, etc. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his symbol, [mercury]. [1913 Webster]

Note: Mercury forms alloys, called amalgams, with many metals, and is thus used in applying tin foil to the backs of mirrors, and in extracting gold and silver from their ores. It is poisonous, and is used in medicine in the free state as in blue pill, and in its compounds as calomel, corrosive sublimate, etc. It is the only metal which is liquid at ordinary temperatures, and it solidifies at about -39[deg] Centigrade to a soft, malleable, ductile metal. [1913 Webster]

3. (Astron.) One of the planets of the solar system, being the one nearest the sun, from which its mean distance is about 36,000,000 miles. Its period is 88 days, and its diameter 3,000 miles. [1913 Webster]

4. A carrier of tidings; a newsboy; a messenger; hence, also, a newspaper. --Sir J. Stephen. ``The monthly Mercuries.'' --Macaulay. [1913 Webster]

5. Sprightly or mercurial quality; spirit; mutability; fickleness. [Obs.] [1913 Webster]

He was so full of mercury that he could not fix long in any friendship, or to any design. --Bp. Burnet. [1913 Webster]

6. (Bot.) A plant ({Mercurialis annua}), of the Spurge family, the leaves of which are sometimes used for spinach, in Europe. [1913 Webster]

Note: The name is also applied, in the United States, to certain climbing plants, some of which are poisonous to the skin, esp. to the {Rhus Toxicodendron}, or poison ivy. [1913 Webster]

{Dog's mercury} (Bot.), {Mercurialis perennis}, a perennial plant differing from {Mercurialis annua} by having the leaves sessile.

{English mercury} (Bot.), a kind of goosefoot formerly used as a pot herb; -- called {Good King Henry}.

{Horn mercury} (Min.), a mineral chloride of mercury, having a semitranslucent, hornlike appearance. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Rhus toxicodendron — Toxicodendron pubescens Toxicodendron pubescens …   Wikipédia en Français

  • Rhus Toxicodendron — Poison Poi son, n. [F. poison, in Old French also, a potion, fr. L. potio a drink, draught, potion, a poisonous draught, fr. potare to drink. See {Potable}, and cf. {Potion}.] 1. Any agent which, when introduced into the animal organism, is… …   The Collaborative International Dictionary of English

  • Rhus Toxicodendron — Poison Poi son, n. [F. poison, in Old French also, a potion, fr. L. potio a drink, draught, potion, a poisonous draught, fr. potare to drink. See {Potable}, and cf. {Potion}.] 1. Any agent which, when introduced into the animal organism, is… …   The Collaborative International Dictionary of English

  • Rhus toxicodendron — Oak Oak ([=o]k), n. [OE. oke, ok, ak, AS. [=a]c; akin to D. eik, G. eiche, OHG. eih, Icel. eik, Sw. ek, Dan. eeg.] [1913 Webster] 1. (Bot.) Any tree or shrub of the genus {Quercus}. The oaks have alternate leaves, often variously lobed, and… …   The Collaborative International Dictionary of English

  • Rhus Toxicodendron — Ivy I vy, n.; pl. {Ivies}. [AS. [=i]fig; akin to OHG. ebawi, ebah, G. epheu.] (Bot.) A plant of the genus {Hedera} ({Hedera helix}), common in Europe. Its leaves are evergreen, dark, smooth, shining, and mostly five pointed; the flowers yellowish …   The Collaborative International Dictionary of English

  • RHUS TOXICODENDRON — РУС ТОКСИКОДЕНДРОН — Исходное растение. Rhus toxicodendron L. Сумах ядовитый.Синонимы. Cotinus toxicodendrcn Borkh., Rhus quercifolia Steud., Toxicodendron toxicodendron (L.) Britt.Сем. Anacardiaceae Анакардиевые.Распространение. По сухим лесам на юге США. В СССР… …   Справочник по гомеопатии

  • Rhus toxicodendron L. — Symbol TOPU2 Synonym Symbol RHTO8 Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus toxicodendron L. var. eximia (Greene) McNair — Symbol TORAE Synonym Symbol RHTOE Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus toxicodendron L. var. eximia (Greene) McNair — Symbol TORAE Synonym Symbol RHTOE Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus toxicodendron L. var. vulgaris Michx. — Symbol TORY Synonym Symbol RHTOV2 Botanical Family Anacardiaceae …   Scientific plant list

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