Definition of Chemica. Meaning of Chemica. Synonyms of Chemica

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Definition of Chemica

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Alchemical
Alchemic Al*chem"ic, Alchemical Al*chem"ic*al, a. [Cf. F. alchimique.] Of or relating to alchemy.
Alchemically
Alchemically Al*chem"ic*al*ly, adv. In the manner of alchemy.
Chemical
Chemical Chem"ic*al, a. 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
Chemical Chem"ic*al, a. 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
Chemical Chem"ic*al, n. A substance used for producing a chemical effect; a reagent.
Chemical attraction
Attraction At*trac"tion, n. [L. attractio: cf. F. attraction.] 1. (Physics) An invisible power in a body by which it draws anything to itself; the power in nature acting mutually between bodies or ultimate particles, tending to draw them together, or to produce their cohesion or combination, and conversely resisting separation. Note: Attraction is exerted at both sensible and insensible distances, and is variously denominated according to its qualities or phenomena. Under attraction at sensible distances, there are, -- (1.) Attraction of gravitation, which acts at all distances throughout the universe, with a force proportional directly to the product of the masses of the bodies and inversely to the square of their distances apart. (2.) Magnetic, diamagnetic, and electrical attraction, each of which is limited in its sensible range and is polar in its action, a property dependent on the quality or condition of matter, and not on its quantity. Under attraction at insensible distances, there are, -- (1.) Adhesive attraction, attraction between surfaces of sensible extent, or by the medium of an intervening substance. (2.) Cohesive attraction, attraction between ultimate particles, whether like or unlike, and causing simply an aggregation or a union of those particles, as in the absorption of gases by charcoal, or of oxygen by spongy platinum, or the process of solidification or crystallization. The power in adhesive attraction is strictly the same as that of cohesion. (3.) Capillary attraction, attraction causing a liquid to rise, in capillary tubes or interstices, above its level outside, as in very small glass tubes, or a sponge, or any porous substance, when one end is inserted in the liquid. It is a special case of cohesive attraction. (4.) Chemical attraction, or affinity, that peculiar force which causes elementary atoms, or groups of atoms, to unite to form molecules. 2. The act or property of attracting; the effect of the power or operation of attraction. --Newton. 3. The power or act of alluring, drawing to, inviting, or engaging; an attractive quality; as, the attraction of beauty or eloquence. 4. That which attracts; an attractive object or feature. Syn: Allurement; enticement; charm.
Chemical fuze
Fuze Fuze, n. A tube, filled with combustible matter, for exploding a shell, etc. See Fuse, n. Chemical fuze, a fuze in which substances separated until required for action are then brought into contact, and uniting chemically, produce explosion. Concussion fuze, a fuze ignited by the striking of the projectile. Electric fuze, a fuze which is ignited by heat or a spark produced by an electric current. Friction fuze, a fuze which is ignited by the heat evolved by friction. Percussion fuze, a fuze in which the ignition is produced by a blow on some fulminating compound. Time fuze, a fuze adapted, either by its length or by the character of its composition, to burn a certain time before producing an explosion.
chemical harmonicon
Singing Sing"ing, a. & n. from Sing, v. Singing bird. (Zo["o]l.) (a) Popularly, any bird that sings; a song bird. (b) Specifically, any one of the Oscines. Singing book, a book containing music for singing; a book of tunes. Singing falcon or hawk. (Zo["o]l.) See Chanting falcon, under Chanting. Singing fish (Zo["o]l.), a California toadfish (Porichthys porosissimus). Singing flame (Acoustics), a flame, as of hydrogen or coal gas, burning within a tube and so adjusted as to set the air within the tube in vibration, causing sound. The apparatus is called also chemical harmonicon. Singing master, a man who teaches vocal music. Singing school, a school in which persons are instructed in singing.
Chemical spectrum
Spectrum Spec"trum, n.; pl. Spectra. [L. See Specter.] 1. An apparition; a specter. [Obs.] 2. (Opt.) (a) The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope. (b) A luminous appearance, or an image seen after the eye has been exposed to an intense light or a strongly illuminated object. When the object is colored, the image appears of the complementary color, as a green image seen after viewing a red wafer lying on white paper. Called also ocular spectrum. Absorption spectrum, the spectrum of light which has passed through a medium capable of absorbing a portion of the rays. It is characterized by dark spaces, bands, or lines. Chemical spectrum, a spectrum of rays considered solely with reference to their chemical effects, as in photography. These, in the usual photogrophic methods, have their maximum influence at and beyond the violet rays, but are not limited to this region. Chromatic spectrum, the visible colored rays of the solar spectrum, exhibiting the seven principal colors in their order, and covering the central and larger portion of the space of the whole spectrum. Continous spectrum, a spectrum not broken by bands or lines, but having the colors shaded into each other continously, as that from an incandescent solid or liquid, or a gas under high pressure. Diffraction spectrum, a spectrum produced by diffraction, as by a grating. Gaseous spectrum, the spectrum of an incandesoent gas or vapor, under moderate, or especially under very low, pressure. It is characterized by bright bands or lines. Normal spectrum, a representation of a spectrum arranged upon conventional plan adopted as standard, especially a spectrum in which the colors are spaced proportionally to their wave lengths, as when formed by a diffraction grating. Ocular spectrum. See Spectrum, 2 (b), above. Prismatic spectrum, a spectrum produced by means of a prism. Solar spectrum, the spectrum of solar light, especially as thrown upon a screen in a darkened room. It is characterized by numerous dark lines called Fraunhofer lines. Spectrum analysis, chemical analysis effected by comparison of the different relative positions and qualities of the fixed lines of spectra produced by flames in which different substances are burned or evaporated, each substance having its own characteristic system of lines. Thermal spectrum, a spectrum of rays considered solely with reference to their heating effect, especially of those rays which produce no luminous phenomena.
Chemically
Chemically Chem"ic*al*ly, adv. According to chemical principles; by chemical process or operation.
Electro-chemical
Electro-chemical E*lec`tro-chem"ic*al, a. Of or pertaining to electro-chemistry. --Ure.
Geochemical
Geochemistry Ge`o*chem"is*try, n. [Gr. ?, ?, the earth + chemistry.] The study of the chemical composition of, and of actual or possible chemical changes in, the crust of the earth. -- Ge`o*chem"ic*al, a. -- Ge`o*chem"ist, n.
Iatrochemical
Iatrochemical I*a`tro*chem"ic*al, a. Of or pertaining to iatrochemistry, or to the iatrochemists.
Mechanico-chemical
Mechanico-chemical Me*chan`i*co-chem"ic*al, a. Pertaining to, connected with, or dependent upon, both mechanics and chemistry; -- said especially of those sciences which treat of such phenomena as seem to depend on the laws both of mechanics and chemistry, as electricity and magnetism.
Micro-chemical
Micro-chemical Mi`cro-chem"ic*al, a. Of or pertaining to micro-chemistry; as, a micro-chemical test.
Photochemical
Photochemical Pho`to*chem"ic*al, a. [Photo- + chemical.] (Chem.) Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
Physicochemical
Physicochemical Phys`i*co*chem"ic*al, a. [Physico- + chemical.] Involving the principles of both physics and chemistry; dependent on, or produced by, the joint action of physical and chemical agencies. --Huxley.
Phytochemical
Phytochemical Phy`to*chem"ic*al, a. Relating to phytochemistry. --R. Hunt.
soluble or chemical ferments
Ferment Fer"ment, n. [L. fermentum ferment (in senses 1 & 2), perh. for fervimentum, fr. fervere to be boiling hot, boil, ferment: cf. F. ferment. Cf. 1st Barm, Fervent.] 1. That which causes fermentation, as yeast, barm, or fermenting beer. Note: Ferments are of two kinds: (a) Formed or organized ferments. (b) Unorganized or structureless ferments. The latter are also called soluble or chemical ferments, and enzymes. Ferments of the first class are as a rule simple microscopic vegetable organisms, and the fermentations which they engender are due to their growth and development; as, the acetic ferment, the butyric ferment, etc. See Fermentation. Ferments of the second class, on the other hand, are chemical substances, as a rule soluble in glycerin and precipitated by alcohol. In action they are catalytic and, mainly, hydrolytic. Good examples are pepsin of the dastric juice, ptyalin of the salvia, and disease of malt.
Stereo-chemical
Stereo-chemic Ste`re*o-chem"ic, Stereo-chemical Ste`re*o-chem"ic*al, a. (Chem.) Pertaining to, or illustrating, the hypothetical space relations of atoms in the molecule; as, a stereo-chemic formula.
Superchemical
Superchemical Su`per*chem"ic*al, a. Above or beyond chemistry; inexplicable by chemical laws. --J. Le Conte.
Thermochemical
Thermochemic Ther`mo*chem"ic, Thermochemical Ther`mo*chem"ic*al, a. (Chem. Physics) Of or pertaining to thermochemistry; obtained by, or employed in, thermochemistry.
Zoochemical
Zoochemical o`["o]*chem"ic*al, a. Pertaining to zo["o]chemistry.

Meaning of Chemica from wikipedia

- Fornax Chemica can be seen below Cetus in this card from Urania's Mirror (1825)....
- Acta Chemica Scandinavica was a peer-reviewed Nordic scientific journal in the fields of chemistry. The journal was established in 1947 and was jointly...
- the crows head, or the black sun. — Marsilius Ficinus, "Liber de Arte Chemica" The black sun is used to illuminate the dissolution of the body, a blackening...
- Bibliotheca Chemica Curiosa (Latin for “Curious Chemical Library”) is a collection of alchemical texts first published in Latin, in Geneva, 1702 by Chouet...
- Jordklotet. 1766. Opuscula physica et chemica (in Latin). Vol. 1. Stockholm: Magnus Swederus. 1779. Opuscula physica et chemica (in Latin). Vol. 2. Uppsala: John...
- Dissertatio chemica de acido sacchari [Chemical dissertation on sugar acid] (Uppsala, Sweden: Edman, 1776). Torbern Bergman, Opuscula Physica et Chemica, (Leipzig...
- zwei psychotrope Wirkstoffe aus mexikanischen Rauschpilzen." Helvetica Chemica Acta 42: 1557–1572 (1959). "Obituary: Albert Hofmann, LSD inventor". Daily...
- Part 30. A Critical Survey of the Solubility Equilibria of Ag2O". Acta Chemica Scandinavica. 13: 717–725. doi:10.3891/acta.chem.scand.14-0717. US 20050050990A1...
- EB, eds. (1789). "De materia tingente caerulei berolinensis". Opuscula Chemica et Physica [The dark matter tingente caerulei berolinensis] (in Latin)...
- appear in other languages, for example, Jean-Jacques Manget’s Bibliotheca Chemica Curiosa (1702) and Lazarus Zetzner’s Theatrum Chemi**** (1602; 1659–1661);...