`
`JAZB’W
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`Dictionary 0;;
`Chemistry
`
`SyhiIRParker
`Editor in Chiei
`
`McEraw-Hill
`
`New York San Francisco Washington, DC. Aucktand
`
`Bogoté Caracas Lisbon LondOn Madrid Mexico City
`
`Miian Montreal New Deihi San Juan Singapore
`
`'
`
`Sydney Tokyo Toronto
`
`A“ *:
`
`Merck 2010
`Merck 2010
`Argentum v. Merck
`Argentum V. Merck
`IPR2018-00423
`IPR2018-00423
`
`

`

`Library of Congress Cataloging in Publication Data
`
`McGraw—Hill dictionary of chemistry i Sybil P. Parker. editor in
`chief.
`cm.
`p.
`ISBN 0-07-052428-9 [acid-free paper]
`1. Chemistry—Dictionaries.
`]. Parker. Sybil P.
`Book Company.
`ODSMBST
`1997
`540’.3—dc20
`
`i]. McGraw—Hill
`
`96-46184
`
`McGraw-Hill
`A Division of The McGrmv-Hill Companies
`
`:2
`
`All text in this dictionary was published previously in the McGRAW-HILL
`DICTIONARY OF SCIENTIFIC AND TECHNICAL TERMS. Fifth Edition, copy-
`right © 1994 by McGraw~HilL Inc. All rights reserved.
`MCGRAW-HILL DICTIONARY OF CHEMISTRY. copyright © 1997 by The
`McGraw—Hill Companies, Inc. All rights reserved. Printed in the United States
`of America. Except as permitted under the United States Copyright Act of l976,
`no part of this publication may be reproduced or distributed in any form or
`by any means. or stored in a database or retrieval system. without the prior
`written permission of the publisher.
`
`1234567890
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`DOC/DOC
`
`90109876
`
`ISBN 0-07—052428—9
`
`INTERNATIONAL EDITION
`
`Copyright © 1997. Exclusive rights by The McGraw-Hill Companies. Inc. for
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`when ordering this title, use lSBN 0-07-1 l4918-x.
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`
`
`fluorescein
`
`[CH EMISTRYl The stoichiometric composition limits (maximum and
`flammability limits
`minimum] of an ignited oxidizer—fuel mixture what will burn indefinitely at given
`conditions of temperature and pressure without further ignition. [ rflarn-a’bil-ad-e
`.lim ets }
`[PHYSICAL CHEMISTRY] A method of studying fast photochemical re—
`flash photolysis
`actions in gas molecules; a powerful lamp is discharged in microsecond flashes near
`a reaction vessel holding the gas. and the products formed by the flash are observed
`spectroscopically [
`'flash fartal arses ]
`flash point
`|CHEMlSTRY| The lowest temperature at which vapors from a volatile liquid
`will ignite momentarily upon the application of a small flame under specified con-
`ditions; test conditions can be either open- or closed-cup. [
`'flash rpc'iint [
`flash spectroscopy
`[SPECTROSCOPY] The study of the electronic states of molecules
`after they absorb energy from an intense brief light flash. [ lflash spek'tr'aslka-pé ]
`flask
`[CHEMISTRYl A long—necked vessel. frequently of glass, used for holding liquids.
`[ flask ]
`F line
`[SPECTROSCOPYI A green—blue line in the spectrum of hydrogen. at a wavelength
`of 486.133 nanometers. [
`'ef vlin [
`floc
`[CHEMISTRYl Small masses formed in a fluid through coagulation. agglomeration,
`or biochemical reaction of fine suspended particles. [ flak }
`flocculant
`ICHEMISTRY] See flocculating agent. { ’flak-ya-lant }
`flocculate
`ICHEMISTRY] To cause to aggregate or coalesce into a flocculent mass.
`[ ’flak-yarlat [adjective] or 'flaklyarlat [verb] ]
`flocculaling agent
`[CHEMiserl A reagent added to a dispersion of solids in a liquid
`to bring together the fine particles to form flocs. Also known as flocculant. {
`'flak-
`yarlad-ir] ra-iant}
`flocculent
`[CHEMISTRYI Pertaining to a material that is cloudlike and noncrystalline.
`[’fl'akiya-lant}
`floc point
`IANALYTICAL CHEMISTRY] The temperature at which wax or solids separate
`from kerosine and other illuminating oils as a definite floc.
`[
`'flak rpoint [
`floc test
`[ANALYTICAL CHEMISTRYI A quantitative test applied to kerosine and other
`illuminating oils to detect substances rendered insoluble by heat. [ “flak .test [
`Flood’s equation
`[PHYSICAL CHEMISTRY] A relation used to determine the liquidus
`temperature in a binary fused salt system. { ’fladz irkwa-zhan }
`flares
`ICHEMISTRYl A form of a chemical compound made by the process of subli-
`mation. [
`'flOr-éz}
`'flor-ez 'mard-as ]
`flares martis
`IINORGANIC CHEMISTRY] See ferric chloride. [
`flotation agent
`iCHEMlSTRYI A chemical which alters the surface tension of water or
`which makes it froth easily. { flo'ta-shan :a-iant [
`flow birefringence
`[PHYSICAL CHEMISTRY! Orientation of long. thin asymmetric mol—
`ecules in the direction of flow of a solution forced to flow through a capillary tube.
`[ lilo ibi-ra'frin-iansl
`flowers of tin
`[INORGANIC CHEMISTRY] See stannic oxide. [ ’fiau [arz av ’tin }
`flow-programmed chromatography
`[ANALYTICAL CHEMISTRY] A chromatographic pro-
`cedure in which the rate of flow of the mobile phase is periodically changed [ lilo
`iprérgl‘amd .kro‘ ma’rag-ra-fej
`lluoborate
`IINORGANIC CHEMISTRYI See fluoroborate. { aflij ia’bOrrat }
`iluometuron [ORGANIC CHEMISTRYl CmHHFgNQO Awhite. crystalline solid with a melt-
`ing point of 163-164.5“C; used as a herbicide for cotton and sugarcane. Also known
`as l.l—dimethyl-3—[a,o.a-trifluoro—meta-tolyllurea.[ lflu-o'me-cha :ran [
`fluoranthene
`[ORGANIC CHEMISTRY] CmHm A tetracyclic hydrocarbon found in coal
`tar fractions and petroleum. forming needlelike crystals. boiling point 250°C. and
`soluble in organic solvents such as ether and benzene. [ flu'ranuthEn }
`fluorene
`[ORGANIC CHEMISTRY! CHHH, A hydrocarbon chemical present in the middle
`oil fraction of coal tar; insoluble in water, soluble in ether and acetone, melting point
`116-] 17°C; used as the basis for a group of dyes. Also known as 2.3—benzindene;
`diphenylenemethane. [ ’fluirenl
`fluoresceln
`[ORGANIC CHEMISTRYI CQOHIIO5 A yellowish to red powder. melts and
`decomposes at 290“C. insoluble in water. benzene. and chloroform. soluble in glacial
`
`159
`
`