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Hasil cari dari kata atau frase: Pure chemistry (0.00943 detik)
Found 1 items, similar to Pure chemistry.
English → English (gcide) Definition: Pure chemistry Pure \Pure\, a. [Compar. Purer; superl. Purest.] [OE. pur, F. pur, fr. L. purus; akin to putus pure, clear, putare to clean, trim, prune, set in order, settle, reckon, consider, think, Skr. p? to clean, and perh. E. fire. Cf. Putative.] 1. Separate from all heterogeneous or extraneous matter; free from mixture or combination; clean; mere; simple; unmixed; as, pure water; pure clay; pure air; pure compassion. [1913 Webster] The pure fetters on his shins great. --Chaucer. [1913 Webster] A guinea is pure gold if it has in it no alloy. --I. Watts. [1913 Webster] 2. Free from moral defilement or quilt; hence, innocent; guileless; chaste; -- applied to persons. “Keep thyself pure.” --1 Tim. v. 22. [1913 Webster] Now the end of the commandment is charity out of a pure heart, and of a good conscience. --1 Tim. i. 5. [1913 Webster] 3. Free from that which harms, vitiates, weakens, or pollutes; genuine; real; perfect; -- applied to things and actions. “Pure religion and impartial laws.” --Tickell. “The pure, fine talk of Rome.” --Ascham. [1913 Webster] Such was the origin of a friendship as warm and pure as any that ancient or modern history records. --Macaulay. [1913 Webster] 4. (Script.) Ritually clean; fitted for holy services. [1913 Webster] Thou shalt set them in two rows, six on a row, upon the pure table before the Lord. --Lev. xxiv. 6. [1913 Webster] 5. (Phonetics) Of a single, simple sound or tone; -- said of some vowels and the unaspirated consonants. [1913 Webster] Pure-impure, completely or totally impure. “The inhabitants were pure-impure pagans.” --Fuller. Pure blue. (Chem.) See Methylene blue, under Methylene. Pure chemistry. See under Chemistry. Pure mathematics, that portion of mathematics which treats of the principles of the science, or contradistinction to applied mathematics, which treats of the application of the principles to the investigation of other branches of knowledge, or to the practical wants of life. See Mathematics. --Davies & Peck (Math. Dict. ) Pure villenage (Feudal Law), a tenure of lands by uncertain services at the will of the lord. --Blackstone. [1913 Webster] Syn: Unmixed; clear; simple; real; true; genuine; unadulterated; uncorrupted; unsullied; untarnished; unstained; stainless; clean; fair; unspotted; spotless; incorrupt; chaste; unpolluted; undefiled; immaculate; innocent; guiltless; guileless; holy. [1913 Webster] Chemistry \Chem"is*try\ (k[e^]m"[i^]s*tr[y^]; 277), n. [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. [1913 Webster] Note: Historically, chemistry is an outgrowth of alchemy (or alchemistry), with which it was anciently identified. [1913 Webster] 2. An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo. [1913 Webster] 3. A treatise on chemistry. [1913 Webster] Note: 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. [1913 Webster] 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. [1913 Webster]

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