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Having one oblique intersection; -- said of that system of crystallization in which the vertical axis is inclined to one, but at right angles to the other, lateral axis. See Crystallization.

ed, etc., once a month, or every month; as, a monthly visit; monthly charges; a monthly installment; a monthly magazine. Monthly nurse, a nurse who serves for a month or some short time, esp. one which attends women after childbirth.

A yellow crystalline substance of acid properties extracted from fustic (Maclura tinctoria, formerly called Morus tinctoria); -- called also moric acid.

of tannic acid extracted from fustic (Maclura, formerly Morus, tinctoria) as a yellow crystalline substance; -- called also maclurin.

A bitter white crystalline alkaloid found in opium, possessing strong narcotic properties, and much used as an anodyne; -- called also morphia, and morphina.

osaic gold. (a) See Ormolu. -- (b) Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder. -- Mosaic work. See Mosaic, n.

impure or complex residual solution which remains after the salts readily or regularly crystallizing have been removed. -- Mother queen, the mother of a reigning sovereign; a queen mother. -- Mother tongue. (a) A language from which another language has had its origin. (b) The language of one's native land; native to…

The acid amide of mucic acid, obtained as a white crystalline substance.

specif., denoting an acid obtained by the oxidation of gums, dulcite, etc., as a white crystalline substance isomeric with saccharic acid.

stance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air; -- called also uramil, dialuramide, and formerly purpuric acid.

A crystalline nitrogenous substance having a splendid dichroism, being green by reflected light and garnet-red by transmitted light. It was formerly used in dyeing calico, and was obtained in a large quantities from guano. Formerly called also ammonium purpurate.

A complex nitrogenous compound obtained as a scarlet crystalline substance, and regarded as related to murexide.

A solid crystalline substance, C5H13NO2, found in the toadstool (Agaricus muscarius), and in putrid fish. It is a typical ptomaine, and a violent poison.

A silky, crystalline, waxy substance, forming the less soluble part of beeswax, and regarded as a palmitate of a higher alcohol of the paraffin series; -- called also myricyl alcohol.

cally, designating an acid found in nutmeg oil and otoba fat, and extracted as a white crystalline waxy substance.

The ketone of myristic acid, obtained as a white crystalline substance.

A white crystalline aromatic hydrocarbon, C10H8, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also naphthaline. Naphthalene red (Chem.), a dyes…

rtaining to , or derived from, naphthalene; -- used specifically to designate a yellow crystalline substance, called naphthalenic acid and also hydroxy quinone, and obtained from certain derivatives of naphthol.

A dyestuff, resembling alizarin, obtained from naphthoquinone as a red crystalline substance with a bright green, metallic luster; -- called also naphthalizarin.

eries of hydroxyl derivatives of naphthalene, analogous to phenol. In general they are crystalline substances with a phenol (carbolic) odor. Naphthol blue, Naphthol orange, Naphthol yellow (Chem.), brilliant dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.…