Hindrance

  • 61 Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known …

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  • 62 radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …

    Universalium

  • 63 State and Church — • The Church and the State are both perfect societies, that is to say, each essentially aiming at a common good commensurate with the need of mankind at large and ultimate in a generic kind of life, and each juridically competent to provide all… …

    Catholic encyclopedia

  • 64 barrier — I (New American Roget s College Thesaurus) n. obstacle, impediment, hindrance. See enclosure, defense. Ant., entrance, opening. II (Roget s IV) n. Syn. bar, obstruction, difficulty, hindrance, obstacle, hurdle, fortification, stumbling block,… …

    English dictionary for students

  • 65 block — I (New American Roget s College Thesaurus) n. hindrance, blockage, obstruction; row, street, square (See abode); mass, lump, cube (See density). v. t. impede, check, stop, bar; thwart, foil. See closure, identity. II (Roget s IV) n. 1. [A mass,… …

    English dictionary for students

  • 66 obstacle — I (New American Roget s College Thesaurus) n. hindrance, difficulty, barrier, obstruction, snag, impediment, barrage, baffle. II (Roget s IV) n. Syn. barrier, restriction, obstruction, hindrance; see barrier , impediment 1 . See Synonym Study at… …

    English dictionary for students

  • 67 opposition — I (New American Roget s College Thesaurus) Act of opposing Nouns 1. (antagonism) opposition, antagonism, antipathy; enmity, hate; repugnance, oppugnancy, oppugnation, impugnation; contravention, contradiction; counteraction; counterplot;… …

    English dictionary for students

  • 68 snag — I (New American Roget s College Thesaurus) n. catch, detent, snaggletooth; hindrance, difficulty. v. catch, fix, entangle; snarl, impede, hamper, hinder. See imperfection. II (Roget s IV) n. Syn. obstacle, hindrance, knot; see barrier ,… …

    English dictionary for students

  • 69 Impediment — Im*ped i*ment, n. [L. impedimentum: cf. F. impediment.] That which impedes or hinders progress, motion, activity, or effect. [1913 Webster] Thus far into the bowels of the land Have we marched on without impediment. Shak. [1913 Webster]… …

    The Collaborative International Dictionary of English

  • 70 Impediment in speech — Impediment Im*ped i*ment, n. [L. impedimentum: cf. F. impediment.] That which impedes or hinders progress, motion, activity, or effect. [1913 Webster] Thus far into the bowels of the land Have we marched on without impediment. Shak. [1913… …

    The Collaborative International Dictionary of English

  • 71 Racquetball — is a racquet sport played with a hollow rubber ball in an indoor or outdoor court. Earl Riskey developed paddleball in the 1920s. Joe Sobek [cite book last = Walker first = David title = Skills, Drills Strategies for RACQUETBALL publisher =… …

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  • 72 SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …

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  • 73 Corporate social responsibility — For other types of responsibility, see Responsibility (disambiguation). Corporate social responsibility (CSR, also called corporate conscience, corporate citizenship, social performance, or sustainable responsible business)[1] is a form of… …

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  • 74 Asymmetric induction — (also enantioinduction) in stereochemistry describes the preferential formation in a chemical reaction of one enantiomer or diastereoisomer over the other as a result of the influence of a chiral feature present in the substrate, reagent,… …

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  • 75 Hasidic philosophy — This article is about Hasidic philosophy. For an overview of the Hasidic movement, see Hasidic Judaism. Hasidus called the Torah of the Baal Shem Tov and his Wellsprings , after his account in a letter to Gershon of Kitov about the elevation of… …

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  • 76 Necla Kelek — (pronounced [ˈnedʒɫa ˈkelek]; born December 31, 1957 in Istanbul, Turkey) is a German feminist and social scientist, holding a doctorate in this field, originally from Turkey. She gave lectures on migration sociology at the Evangelische… …

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  • 77 Novgorod case — The Novgorod Case is the conventional term used in the Russian blogosphere and mass media for the controversial criminal case against Mrs. Antonina Martynova (formerly Fyodorova, née Stepanova). She is facing charges of attempted murder of her… …

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  • 78 Freedom of religion in Laos — The Constitution provides for freedom of religion; however, the Government restricted this right in practice. Some government officials committed abuses of citizens religious freedom.During the period covered by this report, the overall status of …

    Wikipedia

  • 79 Code of Indian Offenses — What follows is the literal text of the Code of Indian Offenses. R U L E S GOVERNINGTHE COURT OF INDIAN OFFENSES DEPARTMENT OF THE INTERIOR, OFFICE OF INDIAN AFFAIRS,Washington, March 30, 1883.SIR: Your special attention is directed to the… …

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  • 80 obstacle — /ob steuh keuhl/, n. something that obstructs or hinders progress. [1300 50; ME < OF < L obstaculum, equiv. to obsta(re) to face, block, hinder (ob OB + stare to STAND) + culum CLE2] Syn. OBSTACLE, OBSTRUCTION, HINDRANCE, IMPEDIMENT refer to… …

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