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Carbamine

An isocyanide of a hydrocarbon radical. The carbamines are liquids, usually colorless, and of unendurable odor.

Carbanil

A mobile liquid, CO.N.C6H5, of pungent odor. It is the phenyl salt of isocyanic acid.

Carbazol

A white crystallized substance, C12H8NH, derived from aniline and other amines.

Carbazotate

A salt of carbazotic or picric acid; a picrate.

Carbazotic

Containing, or derived from, carbon and nitrogen.

Carbide

A binary compound of carbon with some other element or radical, in which the carbon plays the part of a negative; -- formerly termed carburet.

Carbimide

The technical name for isocyanic acid. See under Isocyanic.

Carbine

A short, light musket or rifle, esp. one used by mounted soldiers or cavalry.

Carbinol

Methyl alcohol, CH3OH; -- also, by extension, any one in the homologous series of paraffine alcohols of which methyl alcohol is the type.

Carbohydrate

One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) carbon atoms, united with a variable number of hydrogen and oxygen atoms, but with the two latter always in proportion as to form water; as dextrose, C6H12O6.

Carbolic

Pertaining to, or designating, an acid derived from coal tar and other sources; as, carbolic acid (called also phenic acid, and phenol{1}). See Phenol.

Carbolize

To apply carbolic acid to; to wash or treat with carbolic acid.

carbomycin

a colorless basic macrolide antibiotic that inhibits the growth of Gram-positive organisms.

Carbon

An elementary substance, not metallic in its nature, which is present in all organic compounds. Atomic weight 11.97. Symbol C. it is combustible, and forms the base of lampblack and charcoal, and enters largely into mineral coals. In its pure crystallized state it constitutes the diamond, the hardest of known substances, occuring in monometric crystals like the octahedron, etc. Another modification is graphite, or blacklead, and in this it is soft, and occurs in hexagonal prisms or tables. When united with oxygen it forms carbon dioxide, commonly called carbonic acid, or carbonic oxide, according to the proportions of the oxygen; when united with hydrogen, it forms various compounds called hydrocarbons. Compare Diamond, and Graphite.

carbon-14

a radioactive isotope of carbon with a half-life of 5730 years. It occurs naturally in minute quantities, and is used as the basis for radiocarbon dating.

Carbonaceous

Pertaining to, containing, or composed of, carbon.

Carbonado

A black variety of diamond, found in Brazil, and used for diamond drills. It occurs in irregular or rounded fragments, rarely distinctly crystallized, with a texture varying from compact to porous.

Carbonarism

The principles, practices, or organization of the Carbonari.

Carbonaro

A member of a secret political association in Italy, organized in the early part of the nineteenth centry for the purpose of changing the government into a republic.

Carbonatation

The saturation of defecated beet juice with carbonic acid gas.

Carbonate

A salt or carbonic acid, as in limestone, some forms of lead ore, etc.

Carbonated

Combined or impregnated with carbonic acid.

Carbone

To broil. [Obs.] /We had a calf's head carboned/.

Carbonic

Of, pertaining to, or obtained from, carbon; as, carbonic oxide.

Carbonite

An explosive consisting essentially of nitroglycerin, wood meal, and some nitrate, as that of sodium.

Carbonize

To convert (an animal or vegetable substance) into a residue of carbon by the action of fire or some corrosive agent; to char.

Carbonometer

An instrument for detecting and measuring the amount of carbon which is present, or more esp. the amount of carbon dioxide, by its action on limewater or by other means.

carbonous

relating to, containing, or rich in carbon.

Carbonyl

The radical (=CO), occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc.

Carbostyril

A white crystalline substance, C9H6N.OH, of acid properties derived from one of the amido cinnamic acids.

Carboxide

A compound of carbon and oxygen, as carbonyl, with some element or radical; as, potassium carboxide.

Carboxyl

The complex radical, CO.OH, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in common; -- called also oxatyl.

carboxyl group

a monovalent organic radical (written -COOH, -CO2H or -CO.OH) whose presence confers acidic properties on the compound containing it; -- called also carboxylic group. Monocarboxylic acids (such as acetic acid or butyric acid) have one carboxyl group, dicarboxylic acids (such as oxalic acid or malonic acid) have two, tricarboxylic acids (such as citric acid) have three. It is weakly acidic, the pKa of acetic acid being 4.75.

carboxylate

to treat a chemical compound with carboxyl or carboxylic acid.

carboxylic

of or pertaining to the carboxyl group; having a carboxyl group (written -COOH, -CO2H or -CO.OH); as, carboxylic acids are weakly acidic.

carboxylic acid

an organic compound whose acidity is due to the presence of a carboxyl gorup. Monocarboxylic acids (such as acetic acid or butyric acid) have one carboxyl group, dicarboxylic acids (such as oxalic acid or malonic acid) have two, tricarboxylic acids (such as citric acid) have three.

Carboy

A large, globular glass bottle, esp. one of green glass, inclosed in basket work or in a box, for protection; -- used commonly for carrying corrosive liquids; as sulphuric acid, etc.

Carbuncular

Belonging to a carbuncle; resembling a carbuncle; red; inflamed.

Carbunculation

The blasting of the young buds of trees or plants, by excessive heat or cold.

Carburet

To combine or to impregnate with carbon, as by passing through or over a liquid hydrocarbon; to carbonize or carburize.

Carburetant

Any volatile liquid used in charging illuminating gases.

Carbureted

Combined with carbon in the manner of a carburet or carbide.

Carburettor Carburetor

An apparatus in which coal gas, hydrogen, or air is passed through or over a volatile hydrocarbon, in order to confer or increase illuminating power.

Carburize

To combine with carbon or a carbon compound; -- said esp. of a process for conferring a higher degree of illuminating power on combustible gases by mingling them with a vapor of volatile hydrocarbons.

Carcajou

The wolverene; -- also applied, but erroneously, to the Canada lynx, and sometimes to the American badger. See Wolverene.

Carcanet

A jeweled chain, necklace, or collar.

Carcass

A dead body, whether of man or beast; a corpse; now commonly the dead body of a beast.

Carcel

A light standard much used in France, being the light from a Carcel lamp of stated size and construction consuming 42 grams of colza oil per hour with a flame 40 millimeters in height. Its illuminating power is variously stated at from 8.9 to 9.6 British standard candles.

Carcharias

The type and sole genus of Carchariidae; the sand sharks.

Carchariidae

a natural family comprising the sand sharks; in some classifications coextensive with the family Carcharhinidae.

Carcharodon

A genus of sharks including man-eating sharks, such as the great white shark, Carcharodon carcharias.

carcino-

A combining form meaning cancer, as in carcinogen.

carcinogen

Any substance that produces cancer; as, to test for carcinogens in the drinking water.

carcinogenic

Causing or tending to cause cancer; as, the carcinogenic action of certain chemicals or of ionizing radiation.

carcinoid

A small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; it is usually associated with excessive secretion of serotonin.

Carcinology

The department of Zoology which treats of the Crustacea (lobsters, crabs, etc.); -- called also malacostracology and crustaceology.

carcinoma

A form of malignant cancer arising from epithelial tissue. The term was earlier applied to all forms of cancer, or to certain non-malignant forms. It is contrasted with sarcoma, a malignant form of cancer arising from connective tissue. See Cancer.

Carcinosys

The affection of the system with cancer.

Card

To comb with a card; to cleanse or disentangle by carding; as, to card wool; to card a horse.

Cardamine

A genus of cruciferous plants, containing the lady's-smock, cuckooflower, bitter cress, meadow cress, etc.

Cardamom

The aromatic fruit, or capsule with its seeds, of several plants of the Ginger family growing in the East Indies and elsewhere, and much used as a condiment, and in medicine.

Cardboard

A stiff compact pasteboard of various qualities, for making cards, etc., often having a polished surface.

Carder

One who, or that which cards wool flax, etc.

Cardia

The heart. The anterior or cardiac orifice of the stomach, where the esophagus enters it.

Cardiac

A medicine which excites action in the stomach; a cardial.

Cardialgy Cardialgla

A burning or gnawing pain, or feeling of distress, referred to the region of the heart, accompanied with cardiac palpitation; heartburn. It is usually a symptom of indigestion.

Cardiidae

a natural family of somewhat heart-shaped sand-burrowing bivalve mollusks.

Cardinal

One of the ecclesiastical princes who constitute the pope's council, or the sacred college.

Carding

The act or process of preparing staple for spinning, etc., by carding it. See the Note under Card, v. t.

cardiogram

Any instrumental record made of heart activity, especially the curve or tracing made by a cardiograph. Sometimes used synonymously with electrocardiogram.

cardiograph

An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements.

Cardioid

An algebraic curve, so called from its resemblance to a heart.

Cardiolgy

The science which treats of the heart and its functions.

Cardiometry

Measurement of the heart, as by percussion or auscultation.

cardiopulmonary resuscitation

An emergency procedure to revive heart and lung function in persons whose heart has apparently stopped beating, involving forced respiration, periodic pressure on the heart by pushing on the chest, and sometimes electrical or mechanical equipment. It is often referred to by the acronym CPR.

cardiosclerosis

Induration of the heart, caused by development of fibrous tissue in the cardiac muscle.

Cardiospermum

A genus of tendril-climbing herbs or shrubs whose seeds have a white heart-shaped spot.

cardiovascular

Of or pertaining to or involving the heart and blood vessels; as, cardiovascular conditioning.

Carditis

Inflammation of the fleshy or muscular substance of the heart. See Endocarditis and Pericarditis.

Cardo

The basal joint of the maxilla in insects. The hinge of a bivalve shell.

Cardol

A yellow oily liquid, extracted from the shell of the cashew nut.

Cardoon

A large herbaceous plant (Cynara Cardunculus) related to the artichoke; -- used in cookery and as a salad.

Carduelinae

a subfamily of birds consisting of the old world finches, many of which have taken up residence in the Americas; -- it is a subgroup of finches used in some classifications, in which the Fringillidae are divided into two subfamilies, the Carduelinae (including the goldfinches, siskins, redpolls, crossbills, and linnets) and Fringillinae (the brambling and the chaffinches). The siskins and goldfinches have migrated as far south as the southern end of South America.

Carduelis

the type genus of a subfamily Carduelinae of the Fringillidae, used in some classifications. It includes the goldfinches (such as the American goldfinch, Cardulis tristis, and the European goldfinch, Carduelis carduelis); siskins; redpolls; and linnets, as well as the common northern cardinal (Carduelis cardinalis, also called the cardinal bird).

Carduus

a genus of annual or perennial Old World prickly thistles.

Care

To be anxious or solicitous; to be concerned; to have regard or interest; -- sometimes followed by an objective of measure.

cared-for

having needed care and attention; as, well-cared-for children. Opposite of uncared-for.

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