Hindrance

  • 41 steric hindrance — n. the prevention or retardation of a chemical reaction, caused by the arrangement of atoms in a molecule …

    English World dictionary

  • 42 steric hindrance — noun : hindrance of chemical action ascribed to the arrangement of atoms in a molecule * * * Chem. the prevention or retardation of inter or intramolecular interactions as a result of the spatial structure of a molecule. [1900 05] …

    Useful english dictionary

  • 43 let or hindrance — formal obstruction or impediment the passport opened frontiers to the traveler without let or hindrance …

    Useful english dictionary

  • 44 steric hindrance — Chem. the prevention or retardation of inter or intramolecular interactions as a result of the spatial structure of a molecule. [1900 05] * * * …

    Universalium

  • 45 steric hindrance — noun Any of several effects, most common in organic chemistry, in which the structure or reactivity of a molecule is affected by the physical size and proximity of neighbouring parts of the molecule …

    Wiktionary

  • 46 without let or hindrance — formal without obstruction; freely. → let someone/thing down …

    English new terms dictionary

  • 47 without let or hindrance — legal without being prevented from doing something …

    English dictionary

  • 48 without let or hindrance — …

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  • 49 Ningbo dialect — 寧波閒話 Spoken in People s Republic of China Region Ningbo, Zhejiang province Ethnicity Ningbo peop …

    Wikipedia

  • 50 Five hindrances — In Buddhism, the five hindrances (Pali: IAST|pañca nīvaraṇāni ) [ [http://dsal.uchicago.edu/cgi bin/philologic/getobject.pl?c.2:1:669.pali Rhys Davids Stede (1921 25), p. 376] , entry for IAST|Nīvaraṇa. ] are negative mental states that impede… …

    Wikipedia

  • 51 Interference (baseball) — In baseball, interference is an infraction where a person illegally changes the course of play from what is expected. Interference might be committed by players on the offense, players not currently in the game, catchers, umpires, or spectators;… …

    Wikipedia

  • 52 Alkane stereochemistry — concerns the stereochemistry of linear alkanes and the linear alkane conformers. The existence of more than one conformation is due to hindered rotation around sp3 hybridised carbon carbon bonds. The smallest molecule with such a chemical bond,… …

    Wikipedia

  • 53 impediment — I (New American Roget s College Thesaurus) n. hindrance, obstacle. II (Roget s IV) n. 1. [Something that impedes] Syn. hindrance, obstacle, obstruction, barrier, block, bar, clog, stop, encumbrance, difficulty, check, retardation, stoppage,… …

    English dictionary for students

  • 54 hinderance — noun 1. something immaterial that interferes with or delays action or progress • Syn: ↑hindrance, ↑deterrent, ↑impediment, ↑balk, ↑baulk, ↑check, ↑handicap • Derivationally related forms: ↑ …

    Useful english dictionary

  • 55 Steric effects — See also: intramolecular forces Steric effects arise from the fact that each atom within a molecule occupies a certain amount of space. If atoms are brought too close together, there is an associated cost in energy due to overlapping electron… …

    Wikipedia

  • 56 Коптюг — Коптюг, Валентин Афанасьевич Валентин Афанасьевич Коптюг Дата рождения: 9 июня 1931(1931 06 09) Место рождения: Юхнов, Западная область, СССР Дата смерти: 10 января 1997 …

    Википедия

  • 57 hinder — 01. If you re not going to help me, at the very least please don t [hinder] me by getting in the way. 02. Her progress has been [hindered] somewhat by her lack of experience. 03. His poor knowledge of English is a real [hindrance] to his attempts …

    Grammatical examples in English

  • 58 Celecoxib — Systematic (IUPAC) name 4 [5 (4 methylphenyl) 3 (trifluoromethyl) pyrazol 1 yl]benzenesulfonamide Clinical data Trade names …

    Wikipedia

  • 59 Statute of Kalisz — The General Charter of Jewish Liberties known as the Statute of Kalisz was issued by the Duke of Greater Poland Boleslaus the Pious on September 8, 1264 in Kalisz. The statute served as the basis for the legal position of Jews in Poland and led… …

    Wikipedia

  • 60 Dipa Ma — (March 25, 1911 September 1989) was born Nani Bala Barua in a small village named Chittagong in East Bengal (currently, Bangladesh), moving to join her husband in Burma when she was 16. When Nani was 18, her mother unexpectedly died, leaving… …

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