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`Sybil P. Parker
`Editor in Chief
`
`Auckland
`Montreal
`
`New York
`Caracas
`Bogota
`New Delhi
`
`McGraW-Hill, Inc.
`San Francisco
`Washington, DC.
`Lisbon
`London
`Madrid
`San Juan
`Singapore
`Sydney
`
`Milan
`Mexico City
`Toronto
`Tokyo
`
`
`
`
`
`2i5:
`
`
`
`Veritas Techs. LLC
`Exhibit 1009
`Page 001
`
`

`

`0n the cover: Photomicrograph of crystals of vitamin B1.
`(Dennis Kunkel, University of Hawaii)
`
`Included in this Dictionary are definitions which have been published previously in the’following Works: P. B.
`Jordain, Condensed Computer Encyclopedia, Copyright © 1969 by McGraw—Hill, Inc. All rights reserved. J.
`Markus, Electronics and Nucleonics Dictionary, 4th ed., Copyright © 1960, 1966, 1978 by McGraw—Hill, Inc.
`All rights reserved. I. Quick, Artists’ and Illustrators’ Encyclopedia, Copyright © 1969 by MeGraw—Hill, Inc All
`rights reserved. Blakiston’s Gould Medical Dictionary, 3d ed., Copyright © 1956, 1972 by McGraw—Hill, Inc. All
`rights reserved. T. Baumeister and L. S. Marks, eds., Standard Handbook for Mechanical Engineers, 7th ed.,
`Copyright © 1958, 1967 by MCGraw—Hill, Inc. All rights reserved.
`
`MCGRAW-HILL DICTIONARY OF SCIENTIFIC AND TECHNICAL TERMS,
`Fifth Edition
`Copyright © 1994. 1989, 1984, 1978, 1976, 1974 by McGraw—Hill, Inc. All rights reserved. Printed in the United
`States of America. Except as permitted under the United States Copyright Act of 1976, 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.
`
`34567890
`
`DOW/DOW
`
`998765
`
`ISBN 0-07»042333»4
`
`Library of Congress Cataloging-in-Publication Data
`
`In addition, material has been drawn from the following references: R. E. Huschke, Glossary of Meteorology,
`American Meteorological Society, 1959; U.S. Air Force Glossary ofStandardized Terms, AF Manual 11—1, vol.
`1, 1972; Communications~Electronics Terminology, AF Manual 11~1, vol. 3, 1970; W. H. Allen, ed., Dictionary
`of Technical Terms for Aerospace Use, 1st 6d,, National Aeronautics and Space Administration, 1965; J. M.
`Gilliland, Solar-Terrestrial Physics. A Glossary ofTerms and Abbreviations, Royal Aircraft Establishment Tech-
`nical Report 67158, 1967; Glossary ofAir Traffic Cantral Terms, Federal Aviation Agency; A Glossary ofRange
`Terminology, White Sands Missile Range, New Mexico, National Bureau of Standards, AD 467-424; A DOD
`Glossary ofMapping. Charting and Geodetic Terms, lst ed, Department of Defense, 1967; P. W. Thrush, comp.
`and ed.,A Dictionary ofMining, Mineral, andRelated Terms, Bureau of Mines, 1968; Nuclear Terms: A Glossary,
`2d ed., Atomic Energy Commission; F. Casey, ed., Compilation of Terms in Information Sciences Technology,
`Federal Council for Science and Technology, 1970; Glossary ofStinfo Terminology, Office of Aerospace Research,
`US. Air Force, 1963; Naval Dictionary ofElectronic, Technical, and Imperative Terms, Bureau of Naval Person-
`nel, 1962; ADI’ Glossary, Department of the Navy, NAVSO P-3097.
`
`When ordering this title, use ISBN 0—07-1135847
`
`McGraw-Hill dictionary of scientific and technical terms /
`Sybil P. Parker, editor in chief..75th ed.
`p.
`cm.
`ISBN 007-042333-4
`1. Science—Dictionaries.
`I. Parker, Sybil P.
`Q1 23.1»134
`i993
`503—dc20
`
`2. Technology—Dictionaries.
`
`93-34772CIP
`
`INTERNATIONAL EDITION
`
`Copyright © 1994. Exclusive rights by McGraw—llill, Inc. for manufacture and export. This book casmot be re-
`exported from the country to which it is consigned by McGraw—Hill. The International Edition is not available in
`North America.
`
`Veritas Techs. LLC
`Exhibit 1009
`Page 002
`
`

`

`
`
`hard
`material
`or rock
`
`mid“
`In]
`Driven caisson, top view and
`cross—section from the side.
`
`drive shoe,
`
`[PSYCH] A strong impetus to behavior or active
`or ore body.
`striving.
`{ driv }
`drive chuck [MEcr-I ENG] A mechanism at the lower end of a
`diamond-drill drive rod on the swivel head by means of which
`the motion of the drive rod can be transmitted to the drill string.
`{ driv ‘chak }
`.
`drive control See horizontal drive control.
`l ‘driv k9n,tr61 }
`drive fit
`[DFs ENG] A fit in which the larger (male) pan is
`pressed into a smaller (female) part; the assembly must be 3f.
`fected through the application of an external force.
`{ Idriv lfit ]
`drivehead [ENG] A cap fitted over the end of a mechanical
`pan to protect it while it is being driven.
`{
`'driv,hed ]
`driveless work station [COMPUT SCI] A computer or terminal
`in a local area network that does not have its own disk drives
`and relies on a central mass storage facility for information
`storage.
`{
`'driv'los 'werksta-shon ]
`,
`drive light
`[COMPUT scr] A lamp on the front of a disk driv
`that lights to indicate when the unit is reading or writing data.
`{ 'ng in}
`In an automotive vehicle, the group of
`driveline [MECH ENG]
`parts, including the universal joint and the drive shaft, that con.
`meet the transmission with the driving wheels.
`{ ‘driv,lin }
`driven array [ELECTROMAG] An antenna array consisting of
`a number of driven elements, usually half-wave dipoles, fed in
`phase or out of phase from a common source.
`{ Idliv-on e'ra ]
`driven blocking oscillator See monostable blocking oscillator.
`{ [driv-on :bl'ak-irj 'as-ollad-er }
`driven caisson [CIv ENG] A caisson formed by driving a
`cylindrical steel shellinto the ground with a pileedn'ving hammer
`and then placing concrete inside; the shell may be removed when
`concrete sets.
`{ :driv-on 'ka,sa'n }
`driven element
`[ELECTROMAG] An antenna element that is
`directly connected to the transmission line.
`{
`ldriv-en ‘el-a-
`merit }
`[MEcu ENG] The member of a pair of gears to
`driven gear
`which motion and power are transmitted by the other.
`{
`:driv-
`on 'gir ]
`driven snow [METEOROL] ‘ Snow which has been moved by
`wind and collected into snowdrilts.
`{ {driv-en 'sno }
`drive pattern
`[COMMUN]
`in a facsimile system. undesired
`pattern of density variations caused by periodic errors in the
`position of the recording spot.
`{ 'driv ,pad-em }
`drivepipe
`[ENG] A thickewalled casing pipe that is driven
`through overburden or into a deep drill hole to prevent caving.
`l
`'dfiVJJTP }
`drive pulley [MECH ENG] The pulley that drives a conveyor
`belt.
`{ 'driv .pul-e ]
`drive pulse
`[ELEC'J'R] An electrical pulse which induces a
`magnetizing force in an element of a magnetic core storage,
`reversing the polarity of the core.
`{ ‘driv Ipols ]
`driver
`[COMPUT SCI] A sequence of program instructions that
`controls an imput/output device such as a tape drive or disk
`drive.
`[ELECTR] The amplifier stage preceding the output
`stage in a receiver or transmitter.
`[ENG ACOUS] The portion
`of a horn loudspeaker that converts electrical energy into acous-
`tical energy and feeds the acouStical energy to the small end of
`the horn.
`{ 'dri-vor }
`driver element
`[ELECTROMAG] Antenna array element that
`receives power directly from the transmitter.
`{
`'dri-ver ,el's'
`mant ]
`drive rod [ENG] Hollow shaftin the swivel head of a diamond-
`drill machine through which energy is transmitted from the drill
`motor to the drill string. Also known as drive spindle.
`[ ‘dfiV
`Irad }
`driver sweep [ELECTR] Sweep triggered only by an incoming
`signal or trigger.
`{ 'dri‘ver Iswép }
`driver transformer
`[ELECTR] A transformer in the input cir—
`cuit of an amplifier, especially in the transmitter.
`{
`‘dfl‘V’ér
`tranz'for‘mar }
`drive sampling [ENG] The act or process of driving a tubular
`device into soft rock material for obtaining dry samples.
`l ‘dliV
`.sam-phn l
`,
`drivescrew [nEs ENG] A screw that is driven all the way 111.
`or nearly all the way in, with a hammer.
`{
`'driv,skri'1 }
`drive shaft
`[MECH ENG] A shaft which transmits power from
`a motor or engine to the rest of a machine.
`[ 'driv Ishaft l
`drive shoe [oEs ENG] A sharp-edged steel sleeve attached to
`the bottom of a drivepipe or casing to act as a cutting edge and
`protector.
`{
`
`616
`
`drill jig
`
`DRIVEN CAISSON
`
`O
`
`cylindrical
`steel casing \
`
`'driv ,shii ]
`
`drill jig [MECH ENG] A device fastened to the work in repetition
`drilling to position and guide the drill.
`{
`'dril Ijig }
`drill jumbo [MIN ENG] A mobile carriage or platform fitted
`with mechanical arms upon which several drilling machines are
`mounted.
`[ ‘dril ,jem-bf) }
`I
`drill log [ENG]
`1. A record of the events and features of the
`formations penetrated during boring. Also known as boring
`log.
`2. A record of all occurrences during drilling that might
`help in a complete logging of the hole or in determining the cost
`of the drilling.
`{ ‘dril llag }
`drill out
`[ENG]
`1. To complete one or more boreholes. 2. To
`penetrate or remove a borehole obstruction.
`3. To locate and
`delineate the area of a subsurface ore body or of petroleum by
`a series of boreholes.
`{ 1dril 'aut }
`drill—over
`[ENG] The act or process of drilling around a casing
`lodged in a borehole.
`{
`'dril lfryer }
`drill pipe [MIN ENG] A pipe used for driving a revolving drill
`bit, used especially in drilling wells; consists of a casing wittrin
`which tubing is run to conduct oil or gas to ground level; drilling
`mud flows in the annular space between casing and tubing during
`the drilling operation.
`{ ‘dril Ipip }
`'dril ,point lgaj ]
`{
`drill point gage See drill grinding gage.
`drill press [MECH ENG] A drilling machine in which avertical
`drill moves into the work, which is stationary.
`[
`'dril ,pres }
`drill rod [ENG] The long rod that drives the drill bit in drilling
`boreholes.
`{ ‘dril Irad ]
`drill runner
`[MIN ENG] A tunnel miner who operates rock
`drills.
`{
`'dril '1'91'1‘31‘ }
`drill sleeve
`[ENG] A tapered, hollow steel shaft designed to
`fit the tapered shank of a cutting tool to adapt it to the drill press
`spindle.
`{ ‘dril .slev ]
`r
`drlll socket
`[ENG] An adapter to fit a tapered shank drill to a
`taper hole that is larger than that in the drill press spindle.
`{ ldril
`|stilt-9t }
`[MET] Steel with at least 0.85% carbon content
`drill steel
`made by the electric furnace process. Formerly known as cru—
`cible steel, when made by the crucible process.
`[
`'dril lstél }
`drill stem See bent sub.
`[
`'dril ,stem }
`drill-stem test
`[PETRO ENG] Bottom—hole pressure informa—
`tion obtained and used to determine formation productivity.
`{ ‘dril 'stem Itest }
`drill string [MEcr-I ENG] The assemblage of drill rods, core
`barrel, and bit, or of drill rods, drill collars, and bit in a borehole,
`which is connected to and rotated by the drill collar of the
`borehole.
`{ 'dril lstrir) }
`‘
`drillweave [TEXT] Special fabric sometimes used in filtration;
`a three»ha.rness, warp-face twill weave, having the two-up and
`one—down twill effect.
`{ 'dril Iwév ]
`Drilonematoidea
`[INv zoo]
`A superfamily of parasitic
`nematodes in the subclass Spirul'ia.
`{ .dfi'lomeIn-o'toid-e-e }
`drip [ARCH] See hoodmold.
`[HYD] Condensed or otherwise
`collected moisture falling from leaves, twigs, and so forth.
`[MATER]
`1. Oil which comes through the cloth of a paraffin
`wax press.
`2. Filter drainings too dark to be included in filter
`stock.
`[PETRO ENG] A discharge mechanism installed at a low
`point in a gas transmission line to collect and remove liquid
`accumulations. Also known as blowcase.
`[ drip }
`drip cap
`[BUILD] A horizontal molding installed over the
`frame for a door or window to direct water away from the frame.
`l ‘dfip .kap l
`drip-dw [rExr] Of a fabric, shedding water or moisture rap—
`idly without squeezing, spinning, or wringing.
`{ 'drip ldri }
`drip edge [BUILD] A metal strip that extends beyond the other
`parts of the roof and is used to direct rainwater off.
`[
`'drip ,ej }
`dripping drop atomization [mm] A type of natural gravi—
`tational atomization process in which there is periodic emission
`of drops from the bottom side of a surface to which a liquid is
`fed continuously, as in dripping of water from leaves.
`{
`:drip-
`i1] :driip ,ad-a-me'za-shon ]
`dripstone [GEOL] A cave feature, such as a stalagmite, which
`is formed by precipitation of calcium carbonate or another min
`eral from dripping water.
`{ ‘drip,ston ]
`drive [ELECTR] See excitation.
`[MECH ENG] The means by
`which a machine is given motion or power (as in steam drive,
`diesel-electric drive), or by which power is transferred from one
`part of a machine to another (as in gear drive, belt drive).
`[MIN
`ENG]
`1. To excavate in a horizontal or inclined plane.
`2. A
`horizontal underground tunnel along or parallel to a lode, Vein,
`
`Veritas Techs. LLC
`Exhibit 1009
`Page 003
`
`