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ough which the nutrient vessels pass into the rhaphe or the chalaza; -- called also omphalodium.

Same as Phyllodium.

Of or pertaining to, or like, a plasmodium; as, the plasmodial form of a life cycle.

physical properties resemble platinum. These consist of the light platinum group, viz., rhodium, ruthenium, and palladium, whose specific gravities are about 12; and the heavy platinum group, viz., osmium, iridium, and platinum, whose specific gravities are over 21. -- Platinum sponge (Chem.), metallic platinum in a g…

A plant of the genus Polypodium; polypody. [Written also polypod.]

Any plant of the genus Polypodium.

.), the process of manufacturing soda by treating salt with sulphuric acid, reducing the sodium sulphate so formed to sodium sulphide by roasting with charcoal, and converting the sodium sulphide to sodium carbonate by roasting with lime. -- Mesne process. See under Mesne. -- Process milling, the process of high mill…

Any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division.

The plinth, or lowest member, of any pedestal, podium, water table, or the like.

The seeds of a kind of goosewort (Chenopodium Quinoa), used in Chili and Peru for making porridge or cakes; also, food thus made.

Pertaining to, derived from, or containing, rhodium and ammonia; -- said of certain complex compounds.

Of or pertaining to rhodium; containing rhodium.

A red dyestuff, used as a substitute for cochineal, archil, etc. It consists of the sodium salt of a complex azo derivative of naphtol.

lle powders. Same as Seidlitz powders. -- Rochelle salt (Chem.), the double tartrate of sodium and potassium, a white crystalline substance. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative. It was discovered by Seignette, an apothecary of Rochelle, and is called also Seignete's salt…

-- Rock ruby (Min.), a fine reddish variety of garnet. -- Rock salt (Min.), cloride of sodium (common salt) occuring in rocklike masses in mines; mineral salt; salt dug from the earth. In the United States this name is sometimes given to salt in large crystals, formed by evaporation from sea water in large basins or…

A kind of tick trefoil (Desmodium Canadense). [Canada]

Old Med. Chem.), Epsom salts. -- Sal culinarius Etym: [L.] (Old Chem.), common salt, or sodium chloride. -- Sal Cyrenaicus. Etym: [NL.] (Old Chem.) See Sal ammoniac above. -- Sal de duobus, Sal duplicatum Etym: [NL.] (Old Chem.), potassium sulphate; -- so called because erroneously supposed to be composed of two sal…

salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate (see under Sodium.) It is lagerly used in cooking, with sour milk (lactic acid) or cream of tartar as a substitute for yeast. It is also an ingridient of most baking powders, and is used in the preparation of eff…

n large quantities from phenol (carbolic acid) by the action of carbon dioxide on heated sodium phenolate. It is a white crystalline substance. It is used as an antiseptic, and in its salts in the treatment of rheumatism. Called also hydroxybenzoic acid.

A metallic salt; esp., a salt of potassium, sodium, lithium, or magnesium, used in medicine.