Cheilopoda Chei·lop"o·da noun [ New Latin ]
(Zoology) See Chilopoda .
Cheiropter Chei·rop"ter noun (Zoology) One of the Cheiroptera.
Cheiroptera Chei·rop"te·ra (k> isl/*rŏp"tẽr)
noun plural [ New Latin , from Greek
chei`r hand +
ptero`n wing.]
(Zoology) An order of mammalia, including the bats, having four toes of each of the anterior limbs elongated and connected by a web, so that they can be used like wings in flying. See Bat .
Cheiropterous Chei·rop"ter·ous adjective (Zoology) Belonging to the Cheiroptera, or Bat family.
Cheiropterygium Chei·rop`te·ryg"i·um noun ;
plural Cheiropterygia . [ New Latin , from Greek ... hand + ...; ... wing, fin.]
(Anat.) The typical pentadactyloid limb of the higher vertebrates.
Cheirosophy Chei·ros"o·phy noun [ Greek ... hand + ... knowledge.]
The art of reading character as it is delineated in the hand. --
Chei*ros"o*phist noun
Cheirotherium Chei`ro·the"ri·um noun [ New Latin , from Greek ... hand + ... beast.]
(Poleon.) A genus of extinct animals, so named from fossil footprints rudely resembling impressions of the human hand, and believed to have been made by labyrinthodont reptiles. See Illustration in Appendix.
Chekelatoun Chek`e·la·toun" noun See Ciclatoun . [ Obsolete]
Chaucer.
Chekmak Chek"mak noun A turkish fabric of silk and cotton, with gold thread interwoven.
Chela Che"la noun ;
plural Chelæ . [ New Latin , from Greek
chhlh` claw.]
(Zoology) The pincherlike claw of Crustacea and Arachnida.
Chela Che"la noun [ Hind.
chēla , orig., slave, from Sanskrit
cēta ,
cētaka , slave, servant.]
In India, a dependent person occupying a position between that of a servant or slave and a disciple; hence, a disciple or novice. --
Che"la*ship ,
noun
Chelate Che"late adjective (Zoology) Same as Cheliferous .
Chelerythrine Chel`e·ryth"rine noun [ Greek ... celandine +
'eryqro`s red.]
(Chemistry) An alkaloidal principle obtained from the celandine, and named from the red color of its salts. It is a colorless crystalline substance, and acts as an acrid narcotic poison. It is identical with sanguinarine .
Chelicera Che·lic"e·ra (ke*lĭs"e*rȧ)
noun ;
plural Cheliceræ (-rē). [ New Latin , from Greek
chhlh` claw +
ke`ras horn.]
(Zoology) One of the anterior pair of mouth organs, terminated by a pincherlike claw, in scorpions and allied Arachnida. They are homologous with the falcers of spiders, and probably with the mandibles of insects.
Chelidon Chel"i·don noun [ New Latin , from Greek
chelidw`n .]
(Anat.) The hollow at the flexure of the arm.
Chelidonic Chel`i·don"ic adjective [ See
Celandine .]
(Chemistry) Of, pertaining to, or derived from, the celandine. Chelidonic acid ,
a weak acid extracted from the celandine ( Chelidonium majus ), as a white crystalline substance.
Chelidonius Chel`i·do"ni·us noun [ Latin (sc.
lapillus .)]
A small stone taken from the gizzard of a young swallow. -- anciently worn as a medicinal charm.
Chelifer Chel"i·fer noun [ Greek
chhlh` claw +
-fer .]
(Zoology) See Book scorpion , under Book .
Cheliferous Che·lif"er·ous adjective [ Greek
chhlh` claw +
-ferous .]
(Zoology) Having cheliform claws, like a crab.
Cheliform Chel"i·form adjective [ Greek
chhlh` claw +
-form .]
(Zoology) Having a movable joint or finger closing against a preceding joint or a projecting part of it, so that the whole may be used for grasping, as the claw of a crab; pincherlike.
Chelone Che·lo"ne noun [ Greek
chelw`nh a tortoise. So named from shape of the upper lip of the corolla.]
(Botany) A genus of hardy perennial flowering plants, of the order Scrophulariaceæ , natives of North America; -- called also snakehead , turtlehead , shellflower , etc.
Chelonia Che·lo"ni·a (ke*lō"nĭ*ȧ)
noun plural [ New Latin , from Greek
chelw`nh a tortoise.]
(Zoology) An order of reptiles, including the tortoises and turtles, peculiar in having a part of the vertebræ, ribs, and sternum united with the dermal plates so as to form a firm shell. The jaws are covered by a horny beak. See Reptilia ; also, Illust. in Appendix.
Chelonian Che·lo"ni·an adjective (Zoology) Of or pertaining to animals of the tortoise kind. --
noun One of the Chelonia.
Chelura Che·lu"ra noun [ New Latin , from Greek
chhlh` claw + ... tail.]
(Zoology) A genus of marine amphipod crustacea, which bore into and sometimes destroy timber.
Chely Che"ly noun A claw. See Chela . [ Obsolete]
Chemic Chem"ic noun [ See
Chenistry .]
1. A chemist; an alchemist. [ Obsolete]
2. (Bleaching) A solution of chloride of lime.
Chemic Chem"ic adjective Chemical. Blackw. Mag.
Chemical Chem"ic·al adjective Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations. Chemical attraction or affinity .
See under Attraction .
Chemical Chem"ic·al noun A substance used for producing a chemical effect; a reagent.
Chemically Chem"ic·al·ly adverb According to chemical principles; by chemical process or operation.
Chemiglyphic Chem`i·glyph"ic adjective [
Chemical + ... to engrave.]
Engraved by a voltaic battery.
Chemigraphy Che·mig"ra·phy noun [
Chemical +
-graphy .]
Any mechanical engraving process depending upon chemical action; specif., a process of zinc etching not employing photography. --
Chem`i*graph"ic adjective
Chemiloon Chem`i·loon" noun A garment for women, consisting of chemise and drawers united in one. [ U. S.]
Chemise Che·mise" noun [ French, shirt, from Late Latin
camisa ,
camisia , shirt, thin dress; confer German
hemd , or OIr.
caimmse sort of garment. Confer
Camis .]
1. A shift, or undergarment, worn by women. 2. A wall that lines the face of a bank or earthwork.
Chemisette Chem`i·sette" noun [ French, dim. of
chemise .]
An under-garment, worn by women, usually covering the neck, shoulders, and breast.
Chemism Chem"ism noun [ Confer French
chimisme . See
Chemistry .]
The force exerted between the atoms of elementary substance whereby they unite to form chemical compounds; chemical attaction; affinity; -- sometimes used as a general expression for chemical activity or relationship.
Chemist Chem"ist noun [ Shortened from
alchemist ; confer French
chimiste .]
A person versed in chemistry or given to chemical investigation; an analyst; a maker or seller of chemicals or drugs.
Chemistry Chem"is·try (kĕm"ĭs*trȳ; 277)
noun [ From
Chemist . See
Alchemy .]
1. That branch of science which treats of the composition of substances, and of the changes which they undergo in consequence of alterations in the constitution of the molecules, which depend upon variations of the number, kind, or mode of arrangement, of the constituent atoms. These atoms are not assumed to be indivisible, but merely the finest grade of subdivision hitherto attained. Chemistry deals with the changes in the composition and constitution of molecules. See Atom , Molecule . » Historically, chemistry is an outgrowth of alchemy (or alchemistry), with which it was anciently identified.
2. An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo. 3. A treatise on chemistry. » This word and its derivatives were formerly written with
y , and sometimes with i, instead of
e , in the first syllable,
chymistry ,
chymist ,
chymical , etc., or
chimistry ,
chimist ,
chimical , etc.; and the pronunciation was conformed to the orthography.
Inorganic chemistry ,
that which treats of inorganic or mineral substances. --
Organic chemistry ,
that which treats of the substances which form the structure of organized beings and their products, whether animal or vegetable; -- called also chemistry of the carbon compounds . There is no fundamental difference between organic and inorganic chemistry. --
Physiological chemistry ,
the chemistry of the organs and tissues of the body, and of the various physiological processes incident to life. --
Practical chemistry ,
or Applied chemistry ,
that which treats of the modes of manufacturing the products of chemistry that are useful in the arts, of their applications to economical purposes, and of the conditions essential to their best use. --
Pure chemistry ,
the consideration of the facts and theories of chemistry in their purely scientific relations, without necessary reference to their practical applications or mere utility.
Chemitype Chem"i·type noun [
Chemi cal +
-type .]
(Engraving) One of a number of processes by which an impression from an engraved plate is obtained in relief, to be used for printing on an ordinary printing press.
Chemolysis Che·mol"y·sis noun [
Chemi cal + Greek ... a loosing.]
A term sometimes applied to the decomposition of organic substance into more simple bodies, by the use of chemical agents alone. Thudichum.
Chemosis Che·mo"sis noun [ New Latin , from Greek ... a swelling of the cornea resembling a cockleshell, from ... a gaping, hence a cockleshell.]
(Medicine) Inflammatory swelling of the conjunctival tissue surrounding the cornea. --
Che*mot"ic adjective
Chemosmosis Chem`os·mo"sis noun [
Chemi cal +
osmosis .]
Chemical action taking place through an intervening membrane.
Chemosmosis Chem`os·mo"sis noun [
Chem ical +
osmosis .]
Chemical action taking place through an intervening membrane. --
Chem`os*mot"ic adjective
Chemosmotic Chem`os·mot"ic adjective Pertaining to, or produced by, chemosmosis. [ R.]
Chemosynthesis Chem`o·syn"the·sis noun [
Chem ical +
synthesis .]
(Plant Physiol.) Synthesis of organic compounds by energy derived from chemical changes or reactions. Chemosynthesis of carbohydrates occurs in the nitrite bacteria through the oxidation of ammonia to nitrous acid, and in the nitrate bacteria through the conversion of nitrous into nitric acid. --
Chem`o*syn*thet"ic adjective
Chemotaxis Chem`o·tax"is noun Formerly also
Chem`i*o*tax"is [
Chem ical + Greek ... arrangement, from ... to arrange.]
(Biol.) The sensitiveness exhibited by small free-swimming organisms, as bacteria, zoöspores of algæ, etc., to chemical substances held in solution. They may be attracted ( positive chemotaxis ) or repelled ( negative chemotaxis ). --
Chem`o*tac"tic adjective --
Chem`o*tac"tic*al*ly ,
adverb
Chemung period Che·mung" pe"ri·od (Geol.) A subdivision in the upper part of the Devonian system in America, so named from the Chemung River, along which the rocks are well developed. It includes the Portage and Chemung groups or epochs. See the Diagram under Geology .
Cheng Cheng noun [ Chinese.]
A chinese reed instrument, with tubes, blown by the mouth.
Chenille Che·nille" (she*nēl")
noun [ French, prop., a caterpillar.]
Tufted cord, of silk or worsted, for the trimming of ladies' dresses, for embroidery and fringes, and for the weft of Chenille rugs.
Chenomorphæ Che`no·mor"phæ noun plural [ New Latin , from Greek ... the wild goose + ... form.]
(Zoology) An order of birds, including the swans, ducks, geese, flamingoes and screamers.
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