hindrance
61Persistent 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 …
62radioactivity — /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… …
63State 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… …
64barrier — 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,… …
65block — 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,… …
66obstacle — 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… …
67opposition — 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;… …
68snag — 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 ,… …
69Impediment — 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]… …
70Impediment 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… …
