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Dictionary of Mining, Mineral and Related Terms

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Mining and Geology Dictionary
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Summary

Search for matches on a term, then click on a match (below left). Original content compiled by US Bureau of Mines. XML version by EduMine. Now more than 27,000 terms with extensive cross-reference support.

Recommended Usage

Perform a search (top left) for a string of up to 10 characters for matches on the beginning of a term, then click on a match (lower left) to display its definition (lower center).

Click on any support term ("see", "see also", "CF", "syn") shown red in a definition to display the support term definition (lower right).

Searches may be performed on either terms or support terms by selecting the appropriate search setting (top left) prior to clicking the search button. The default functionality is a terms search.

A terms search is generally faster than a support search.

Try a support search if the term you are searching for does not appear in a terms search.

Term Abbreviations
adj.adjective
Ant.antonym
CF:compare
e.g.for example
esp.especially
et al.and others
etc.and so forth
Etymol.etymology
i.e.that is
Pl.plural
Pron.pronunciation
q.v.which see
Sing. singular
sp gr specific gravity
specif.specifically
Syn: or syn.synonym
v. or V.verb
var.variant
Place Name Abbreviations
ArgArgentina.
AustAustralia.
BelgBelgium.
BerksBerkshire, England.
BolBolivia.
BrazBrazil.
BristBristol Coalfield, England.
CanDominion of Canada.
Cent. AmCentral America.
ChesCheshire, England.
ClevCleveland iron district, England.
ColomRepublic of Colombia.
CornCornwall, England.
CumbCumberland Coalfield, England.
DerbDerbyshire Coalfield, England.
DevDevonshire, England.
E. IndEast Indies.
EngEngland.
Forest of DeanForest of Dean Coalfield, England.
FrFrench.
GerGerman.
Gr. BritGreat Britain.
GloucGloucestershire Coalfield, England.
HidHidalgo, Mex.
HindHindustan.
IreIreland.
ItItalian.
KentKent, England.
LancLancashire Coalfield, England.
LeicLeicestershire, England.
MexMexico.
MidMidland Coalfield, England.
NewcNewcastle Coalfield, England.
N.S.W.New South Wales, Australia.
N.Z.New Zealand.
NorfNorfolk, England.
N. of Eng North of England.
N. StaffNorth Staffordshire Coalfield, England.
NorthumbNorthumberland Coalfield, England.
N. WalesNorth Wales.
PacPacific Coast, U.S.A.
PatPatagonia, South America.
PortPortuguese (mostly in Brazil).
ProvProvincial, United States, unless otherwise specified.
PrPrussian.
RussRussia.
ScotScotland.
ShropShropshire, England.
S. AfrRepublic of South Africa.
S. AmSouth America.
S. StaffSouth Staffordshire, England.
S. WalesSouth Wales, Great Britain.
SomSomerset, England.
SpSpanish origin but not necessarily used in Spain.
Sp AmSpanish America.
StaffStaffordshire, England.
SuffSuffolk, England.
SwSwedish.
TransTransvaal, Republic of South Africa.
U.K.United Kingdom of Great Britain and Northern Ireland.
U.S.United States of America.
U.S.S.R.Former Union of Soviet Socialist Republics.
VenezVenezuela.
W. AfrWest Africa.
WarWarwickshire, England.
YorkYorkshire, England.
US State Abbreviations
ALAlabamaMEMaineOROregon
AKAlaskaMDMarylandPAPennsylvania
AZArizonaMAMassachusettsRIRhode Island
ARArkansasMIMichigan SCSouth Carolina
CACaliforniaMNMinnesotaSDSouth Dakota
COColoradoMSMississippiTNTennessee
CTConnecticutMOMissouriTXTexas
DEDelawareMTMontanaUTUtah
FLFloridaNENebraskaVTVermont
GAGeorgiaNVNevadaVAVirginia
HIHawaiiNHNew HampshireWAWashington
IDIdahoNJNew JerseyWVWest Virginia
ILIllinoisNMNew MexicoWIWisconsin
INIndianaNYNew YorkWYWyoming
IAIowaNCNorth CarolinaCZCanal Zone
KSKansasNDNorth DakotaDCDistrict of Columbia
KYKentuckyOHOhioGUGuam
LALouisiana OKOklahomaPRPuerto Rico
VIVirgin Islands
Canadian Province Abbreviations
ABAlbertaBCBritish Columbia
LBLabradorMBManitoba
NBNew BrunswickNFNewfoundland
NTNorthwest TerritoriesONOntario
PEPrince Edward IslandPQQuebec
SKSaskatchewanUTYukon Territory
Abbreviations for Decimal Units
mum *micrometer(s)
cmcentimeter(s)
kJkilojoule(s)
kmkilometer(s)
kPakilopascal(s)
MJmegajoule(s)
mLmilliliter(s)
mmmillimeter(s)
mPamegapascal(s)
* no Greek letter symbols appear
Abbreviations for Compound Units
degrees Cdegrees Celsius
degrees Fdegrees Fahrenheit
Aampere(s)
atmstandard atmosphere
AUastronomical unit
bblbarrel(s)
Bcfbillion cubic feet (gas flow)
Bcfdbillion cubic feet per day (gas flow)
Bcfybillion cubic feet per year (gas flow)
BtuBritish thermal unit(s)
Bunitbillion unit(s)
ccycle(s)
ccenti (one-hundredth); prefix only
Ccoulomb(s)
cal calorie(s)
cdcandela(s)
Ci curie(s)
cmilcircular mil
cpcandlepower
cpmcount(s) per minute
cpscount(s) per second
d day(s)
ddeci (one-tenth); prefix only
Ddarcy(s)
dBdecibel(s)
dyndyne(s)
eV electron volt(s)
Ffermi(s)
F farad(s)
fc footcandle(s)
fl ozfluid ounce(s)
ft foot/feet
ft/sfoot/feet per second
ft2square foot/feet
ft-lbffoot pound(s) (force)
g gram(s)
g, GGal (gravity constant)
G giga (one billion); prefix only
galgallon(s)
Gsgauss
hhour(s)
ha hectare(s)
H.E.high explosive(s)
hp horsepower
hp-hhorsepower hour
Hzcycle(s) per second
in Hginch(es) of mercury
ininch(es)
in H2Oinch(es) of water
Jjoule(s)
kkilo (one thousand); prefix only
Kkelvin
lliter(s)
Lliter(s) (preferred form)
Llambert(s)
lb pound(s)
lbfpound(s) force
lbf-ftpound(s) force foot
ltlong ton(s)
mmeter
mmilli (one-thousandth); prefix only
Mmega (one million)
Mcfthousand cubic feet (gas flow)
Mcfdthousand cubic feet per day
mhomho(s)
mimile(s)
milthousandth of an inch
MMbblmillion barrels
MMcfmillion cubic feet (gas flow)
MMcfdmillion cubic feet per day (gas flow)
MMcfymillion cubic feet per year (gas flow)
molmole(s)
mol wtmole weight
mol %mole percent
mpgmile(s) per gallon
mphmile(s) per hour
Mxmaxwell(s)
nnano (one-billionth); prefix only
nrefractive index
NNewton(s)
nminautical mile(s)
Oeoersted(s)
ohm-cmil/ftohm circular mil per foot
ozounce(s)
ppico (one-trillionth); prefix only
Ppoise(s)
Papascal(s)
pctpercent
ppbpart(s) per billion
ppmpart(s) per million
psipound(s) (force) per square inch
psiapound(s) force per square inch, absolute
psigpound(s) force per square inch, gauge
rrevolution(s)
Rroentgen(s)
radradian(s)
rpmrevolutions per minute
ssecond(s)
Ssiemens(s)
srsteradian(s)
ststere(s)
stshort ton(s)
Ststokes
std ft3standard cubic foot/feet
tmetric ton(s)
t/w-hmetric ton(s) per worker hour
t/w-dmetric ton(s) per worker day
Ttesla(s)
tr oztroy ounce(s)
unit-1reciprocal unit
unit2square unit (or unit squared)
unit3cubic unit
Wwatt(s)
Wbweber(s)
wt %, wt pctweight percent
ydyard(s)
yryear(s)