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The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers).

also certain plant of the Buckwheat family. Oxalic acid (Chem.), a dibasic acid, existing combined in oxalis as an acid potassium oxalate, and in many plant tissues as the calcium oxalate. It is prepared on a large scale, by the action of fused caustic soda or potash on sawdust, as a white crystalline substance, which…

erse, taken or conceived of as a whole, is God; the doctrine that there is no God but the combined force and laws which are manifested in the existing universe; cosmotheism.

n. 1, 1913. Parcels must not exceed 11 pounds in weight nor 72 inches in length and girth combined. Provision is made from insuring parcels up to $50.00, and also for sending parcels C.O.D. The rates of postage vary with the distance. See Zone, below.

Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.

Combined with a relatively large amount of carbon.

Belonging to, or characteristic of, a system of elementary education which combined manual training with other instruction, advocated and practiced by Jean Henri Pestalozzi (1746-1827), a Swiss teacher. -- n.

any one of series of derivatives of phenol and carbinol which have the properties of both combined; thus, saligenin is a phenol alcohol. -- Phenol aldehyde (Chem.), any one of a series of compounds having both phenol and aldehyde properties. -- Phenol phthalein. See under Phthalein.

s. -- Soluble phosphoric acid, Insoluble phosphoric acid (Agric. Chem.), phosphoric acid combined in acid salts, or in neutral or basic salts, which are respectively soluble and insoluble in water or in plant juices. -- Reverted phosphoric acid (Agric. Chem.), phosphoric acid changed from acid (soluble) salts back to…

Impregnated, or combined, with phosphorus. [Obsoles.] [Written also phosphuretted.] Phosphureted hydrogen. (Chem.) See Phosphine.

r state; the framework or organization by which the various departments of government are combined into a systematic whole. Blackstone. Hooker.

An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium).

That which is prefixed; esp., one or more letters or syllables combined or united with the beginning of a word to modify its signification; as, pre- in prefix, con- in conjure.

a. & n. from pump. Pumping engine, a steam engine and pump combined for raising water. See Steam engine.

stock, grain, etc., at a certain price and date. [Brokers' Cant] A put and a call may be combined in one instrument, the holder of which may either buy or sell as he chooses at the fixed price. Johnson's Cyc.

A prefix, from the Latin re and ad combined, coming to us through the French and Italian. See Re-, and Ad-.

An intensely radioactive metallic element found (combined) in minute quantities in pitchblende, and various other uranium minerals. Symbol, Ra; atomic weight, 226.4. Radium was discovered by M. and Mme. Curie, of Paris, who in 1902 separated compounds of it by a tedious process from pitchblende. Its compounds color fla…

A formulary according to the directions of which things are to be taken or combined; a recipe; as, a receipt for making sponge cake. She had a receipt to make white hair black. Sir T. Browne.

The law that objects which have been previously combined as part of a single mental state tend to recall or suggest one another; -- adopted by many philosophers to explain the phenomena of the association of ideas.

e containing a number of resistance coils of standard values so arranged that they can be combined in various ways to afford more or less resistance. -- Resistance coil (Elec.), a coil of wire introduced into an electric circuit to increase the resistance. -- Solid of least resistance (Mech.), a solid of such a form…