英语词汇veratr-的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

veratr-combining form or stem of veratrum, occurring in chemical terms, as veratralbia, -albine (see quots.); veratrate, a salt of veratric acid (1884 Imp. Dict.); veratric a., derived from or contained in species of Veratrum; veˈratridine [-idine], an alkaloid ester, C₃₆H₅₁NO₁₁, present in veratrum and sabadilla and having anti-hypertensive properties, but now used chiefly for experimental purposes; veratroidea (-oidia) = veratrine; veratroidine (see quot.); veratrol, a colourless aromatic oil obtained by distilling veratric acid with excess of baryta.1876H. C. Wood Therap. (ed. 2) 156 Chas. L. Mitchell..finds two alkaloids in the rhizome [of Veratrum album], one of which he denominates jervia, the other *veratralbia.1891Cent. Dict., *Veratralbine, an alkaloid obtained from Veratrum album.1843Penny Cycl. XXVI. 251 *Veratric acid, the acid with which veratria exists combined in Cevadilla.1866Chambers's Encycl. VIII. 395/2 Two special organic acids, to which the names Cevadic and Veratric acids have been given.1877Watts Fownes' Chem. II. 542 Dimethyl-protocatechuic or Veratric acid..is contained in sabadilla seeds (from Veratrum Sabadilla).1907Brit. Pharmaceut. Codex 242 Cevadine is accompanied in cevadilla seeds by the alkaloids *veratridine..and sabatrine.1935Jrnl. Chem. Soc. 123 On hydrolysis, veratridine gave veratric acid and..cevine.1954O. Krayer in V. A. Drill Pharmacol. in Med. xxxiii. 8/2 The monoester veratridine is of no clinical use because it has an inadequate therapeutic range and its duration of action is too short.1976Nature 25 Mar. 337/2 The effects of veratridine, an alkaloid well known for its ability to increase Na⁺ permeability in nerve cells, were examined.1976Veratridine [see sabadine].1874Garrod & Baxter Mat. Med. 382 This rhizome is stated to contain two alkaloids, Viridia and *Veratroidea;..the latter is insoluble in ether.1879H. C. Wood Therap. 156 Recently Prof. Wormley has arrived at the conclusion that veratroidia is identical with veratria.1891Cent. Dict., *Veratroidine, an alkaloid, supposed to be identical with rubijervine, obtained from Veratrum viride.1868Watts Dict. Chem. V. 997 *Veratrol does not appear to unite with alkaline bisulphites.

veratr-
combining form
or veratro-
Etymology: New Latin, from Veratrum
: veratrine : veratric acid
< veratrize >
< veratroyl >

词汇	veratr-
词根词缀	OED Webster veratr-combining form or stem of veratrum, occurring in chemical terms, as veratralbia, -albine (see quots.); veratrate, a salt of veratric acid (1884 Imp. Dict.); veratric a., derived from or contained in species of Veratrum; veˈratridine [-idine], an alkaloid ester, C₃₆H₅₁NO₁₁, present in veratrum and sabadilla and having anti-hypertensive properties, but now used chiefly for experimental purposes; veratroidea (-oidia) = veratrine; veratroidine (see quot.); veratrol, a colourless aromatic oil obtained by distilling veratric acid with excess of baryta.1876H. C. Wood Therap. (ed. 2) 156 Chas. L. Mitchell..finds two alkaloids in the rhizome [of Veratrum album], one of which he denominates jervia, the other veratralbia.1891Cent. Dict., Veratralbine, an alkaloid obtained from Veratrum album.1843Penny Cycl. XXVI. 251 Veratric acid, the acid with which veratria exists combined in Cevadilla.1866Chambers's Encycl. VIII. 395/2 Two special organic acids, to which the names Cevadic and Veratric acids have been given.1877Watts Fownes' Chem.* II. 542 Dimethyl-protocatechuic or Veratric acid..is contained in sabadilla seeds (from Veratrum Sabadilla).1907Brit. Pharmaceut. Codex 242 Cevadine is accompanied in cevadilla seeds by the alkaloids veratridine..and sabatrine.1935Jrnl. Chem. Soc. 123 On hydrolysis, veratridine gave veratric acid and..cevine.1954O. Krayer in V. A. Drill Pharmacol. in Med.* xxxiii. 8/2 The monoester veratridine is of no clinical use because it has an inadequate therapeutic range and its duration of action is too short.1976Nature 25 Mar. 337/2 The effects of veratridine, an alkaloid well known for its ability to increase Na⁺ permeability in nerve cells, were examined.1976Veratridine [see sabadine].1874Garrod & Baxter Mat. Med. 382 This rhizome is stated to contain two alkaloids, Viridia and Veratroidea;..the latter is insoluble in ether.1879H. C. Wood Therap.* 156 Recently Prof. Wormley has arrived at the conclusion that veratroidia is identical with veratria.1891Cent. Dict., Veratroidine, an alkaloid, supposed to be identical with rubijervine, obtained from Veratrum viride.1868Watts Dict. Chem.* V. 997 Veratrol does not appear to unite with alkaline bisulphites. veratr-* combining form or veratro- Etymology: New Latin, from Veratrum : veratrine : veratric acid < veratrize > < veratroyl >
随便看	socket Socratic sod soda sodali- sodality sodbuster sodden sodio- sodio-, sodi-, sodo-, sod- sodium Sodom sodomise sodomite sodomize sodomy -soever soever sofa sofa-bed soffit Sofia -soft soft softball