Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


 (yo͝or′ə-nĭl, yo͝o-rā′nəl)
The divalent ion UO22+.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) (modifier) of, consisting of, or containing the divalent ion UO22+ or the group –UO2
[C19: from uranium + -yl]
ˌuraˈnylic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈyʊər ə nɪl)

the bivalent ion UO2 + 2, or the group UO2, which forms salts with acids.
[1840–50; uran (ium) + -yl]
u`ra•nyl′ic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.uranyl - the bivalent radical UO2 which forms salts with acids
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
uranyl nitrate - a yellow salt obtained by the reaction of uranium salts with nitric acid
uranyl oxalate - a salt obtained by the reaction of uranium salts with oxalic acid
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Several inorganic and organic sorbents are reported in the literature which can selectively extract uranyl ions by forming complexes with the chelating functional groups present in them.
Another two washes with buffer were performed before uranyl acetate staining (1 % uranyl acetate in 10 % ethanol for 8 hours).
Ultrathin sections were taken with LKB ultramicrotome III and stained with uranyl acetate and lead citrate.
Samples were stained en bloc within a range of 1/5 stock RR solution and 2% uranyl acetate (22), then dehydrated in a ascending alcohol series and embedded in epon 812.
Reagents and poison: Electron microscopy reagents (EPON EMBed-812 Kit, uranyl acetate, osmium tetroxide, lead citrate and glutaraldehyde) were purchased from Electron Microscopy Sciences (Hatfield, PA, USA).
Uranium stock solution (1000 ug mL-1) was prepared from analytical grade uranyl nitrate in deionized water and further dilutions were made when required.
Post-stain procedures for 100-nm sections observed with electron microscopy varied, with the sample being treated either with (1) 2% aqueous uranyl acetate (15 min) and 0.5% aqueous lead citrate (1 min) with 3 washes of 20 s with DI water in between; (2) only 2% aqueous uranyl acetate (15 min); or (3) only 0.5% aqueous lead citrate (1 min).
The hydraulic gradient, volumetric flow rate, and uranyl ions concentration were monitored over time.
(e) Ultrastructural examination shows osmophilic globular hemoglobin casts in tubular lumen (uranyl acetate and lead citrate fixation, 10,000x).
For visualization using TEM, uranyl acetate was used as a negative staining reagent for the liposomes [6].
Poly(vinyl alcohol) (PVA, Mw of 15kDa), uranyl acetate dehydrate (98%), dimethyl sulfoxide (DMSO, 99.5%), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC), N-hydroxysuccinimide (NHS), fluorescein isothiocyanate (FITC), and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazoli-um bromide (MTT) were supplied by Sigma-Aldrich (St.
The ultrathin sections were stained with lead citrate and uranyl acetate and observed under a Philips CM-120 transmission electron microscope (Philips, Amsterdam, Netherlands).