Abbreviations-J-K-L

Abbreviations & Acronyms

Abbreviation:

An abbreviation is a shortened form of a word or a phrase (group of words).

The result of abbreviation is a reduced form or abridgement of writing. They are commonly used because they save time and space.

As said by John Horne Tooke, “Abbreviations are the wheels of language, the wings of Mercury.

Examples:

ATM = Automated Teller Machine

BBC = British Broadcasting Corporation

Acronym:

It is a word formed from the initial letters of the several words in the name and pronounced as one word.

Examples:

NASA = National Aeronautics and Space Administration (USA)

AIDS = Acquired Immune Deficiency Syndrome.

Most Common Abbreviations & Acronyms start with J-K-L

J

J / j	Joules (physics) / Jack (cards) / Journal of (in Titles) / Joint (of marijuana) (informal) / Jack / Judge (plural – JJ) / Justice (plural – JJ) / Japan (IVR) / Japanese
JA	Jamaica (IVR = International Vehicle Registration) / Judge Advocate / Justice of Appeal
JAG	Judge Advocate General
JAL	Japan Airlines
JANET	(acronym) Joint Academic Network (UK)
JB	Jerusalem Bible
JC	Jesus Christ / Julius Caesar
JCB	JC Bamford (manufacturer of mobile excavators)
JCL	Job control language (Computing)
JCR	Junior Common (or Combination) Room
JCS	Joint Chiefs of Staff
JET	Joint European Torus (nuclear fusion conducting machine)
JFK	John Fitzgerald Kennedy (J F Kennedy)
JHVH	Tetragrammaton = the Hebrew name of God articulated as YHWH or JHVH (Yahweh or Jehovah)

JIT	Just-in-time (of manufacturing systems) (Business)
Jn	The Gospel of John (An Epistle of John) (in Biblical references)
Jnr	Junior (in names)
JP	Justice of the Peace (UK)
JPEG	Joint Photographic Experts Group (compressed imaged file format) (Computing)
Jr / jr	Junior
JSA	Job Seeker’s Allowance
JUD	Juris Ultriusque Doctor (Latin) = Doctor of both laws (ie canon & Civil) / (the Book of) Judges (also Judg./Jud.) / Judith (Apocrypha)
Jul.	July
Jun. / jun.	Junior / June (also Junr or junr)
juv.	Juvenile
Jy	Jansky (astronomy) / July

K

k / k.	Kalium (Latin) = Potassium / kelvin / ketamine (drug) / King / King’s / Knight / knot(s) (Nautical) / Kochel (Mozart’s catalogue) / Cambodia (former name = Kampuchea) (IVR = International Vehicle Registration) / Karat or carat / Kilo or kilo– / Kaon (Physics) / Kilobytes (Computing) / Kilometer(s) / Kina (Currency of Papua New Guinea) / Kirkpatrick (catalogue of Domenico Scarlatti’s works) / Krona (Swedish & Icelandic currency) / Krone (Danish & Norwegian currency) / Kwacha (Malawian & Zambian currency)
KANU	(acronym) Kenya African National Union
KB	King’s Bench / Kilobyte(s) (also Kb)
KBE	Knight Commander of the (Order of the) British Empire
kbyte	Kilobyte (Computing)
kc	Kilocycle(s)
KC	Kennel Club / King’s Counsel
Kc	Czech koruna (currency unit)
kcal	Kilocalorie(s)
KCB	Knight Commander of the (Order of the) Bath
KCIE	Knight Commander (of the Order) of the Indian Empire
KCMG	Knight Commander (of the Order) of St Michael and St George
KCVO	Knight Commander of the (Royal) Victorian Order
KD	Knocked down (Commerce) / Kuwaiti dinar (Currency)

KE	Kinetic energy
KFAT	(National Union of) Knitwear, Footwear and Apparel Trades (old usage)
KFOR	Kosovo Force (peacekeeping force in Kosovo led by NATO)
kg / Kgs KG	Kilogram(s) / keg(s) / Kings / (KG) Knight of the Order of the Garter (UK)
KGB	Komitet Gosudarstvennoi Bezopasnosti (Russian) = Committee of State Security (the former Soviet secret police)
Kgs
kgy	Kilogray(s) (unit for measuring absorbed dose of radiation)
khz	Kilohertz
kJ	Kilojoule(s)
KKK	Ku Klux Klan (US) (an extremist right-wing secret society)
kl	Kiloliter(s)
KL	Kuala Lumpur (the capital of Malaysia)
KLM	Koninklijke Luchtvaart Maatschappij (Dutch) Royal Dutch Airlines
KM / km	Knight of Malta / km = kilometer(s)
km/h	Kilometers per hour
kn.	Knot(s) (Nautical measure)
KO / k.o.	Kick-off/ knockout / Knock out

KP	Kitchen police(man) (US military slang) (men help the cook) / Knight of (the Order of) the St Patrick
kpg	Kilometers per gallon
kph	Kilometers per hour
Kr	Krypton (Chemistry)
kr	Krona (Swedish or Icelandic currency) / Krone (Danish and Norwegian currency)
KS	Kansas (US state) / King’s Scholar (UK) / Kaposi’s sarcoma / Kyrgyzstan (IVR = international vehicle registration)
KSA	Kingdom of Saudi Arabia (IVR)
KStJ	Knight of (the Order of) St John
kt	Karat (carat) / kiloton(s) or kilotonne(s) / knot (nautical)
Kt	Knight
KT	Knight of the Thistle / Knight Templar
Ku	Kurchatovium (Chemistry)

kV	Kilovolt(s)
kVa	Kilovolt-ampere(s)
kW	Kilowatt(s)
KWAC	(acronym) Keyword and context
kWh	Kilowatt-hour(s)
KWIC	(acronym) Keyword in context
KWOC	(acronym) Keyword out of context
KWT	Kuwait (IVR = international vehicle registration)
KY /Ky/Ky.	Kentucky (US state)
KZ	Kazakhstan (IVR = international vehicle registration)

L

I / l.	Line / Left / Latitude / Length / Liter / Levorotatory (Chemistry) / League / Lira or Lire (plural) / Libra (Latin) pound weight (lb)
L / L.	Luxembourg (IVR = international vehicle registration) / Latin / Lambert / Learner (driver) / Lecturer / Left / Liberal / Licentiate / Liter / Lira or Lire / Loch / Lough / Lake / Libra (Latin) = pound sterling (written as £) / Inductance (Elec) / Luminance / Angular momentum (physics) / Molar latent heat (chemistry) / 50000 (Roman Numeral)
LA	Legislative Assembly / Literate in Arts / Los Angeles / Library Association (UK, now replaced by CILIP = Chartered Institute of Library and Information Professionals / Local Authority / Louisiana (US state)
La	Lanthanum (Chemistry)
La.	Lane (in street names, etc.) / Louisiana (US state)
L-A	Latin America
Lab	Labour (labor) / Labrador (dog) / lab = laboratory
LAC	Leading Aircraft(s)man
lac	Lactose / lac or lakh (India & Pakistan) = a hundred thousand
LACW	Leading Aircraft(s)woman
LAFTA	Latin American Free Trade Association
LAIA	Latin American Integration Association

LAMBDA	(acronym) London Academy of Music and Dramatic Art
LAN	Local Area Network (Computing)
Lancs.	(acronym) Lancashire
LB	Liberia (IVR = international vehicle registration)
lb	Leg bye(s) / leg before wicket (lbw) (Cricket) / Libra (Latin) pound weight
LBC	London Broadcasting Company
LBD / LBDs	A little black dress(es) (informal)
LBDR / LBDr	Lance Bombardier (also L/Bdr)
LBJ	Lyndon Baines Johnson (36th President of the US)
lbf	Pound force
LBO	Leveraged buyout (Commerce)
lbw / l.b.w.	leg before wicket (Cricket)

lc	Left center / Letter of Credit / lower case (Printing) / Loco Citato (Latin) = in the place (passage) previously cited
LC	Library of Congress / Landing Craft (US)
LCC	London County Council (later known as GLC = Greater London Council (abolished in 1986)
LCD	Liquid Crystal Display (Electronics & Computing) / Lowest (least) common denominator (Mathematics)
LCDT	London Contemporary Dance Theater
LCh / LChir	Licentiatus Chirurgiae (Latin) = Licentiate in Surgery
LCJ	Lord Chief Justice
LCM / lcm	Least or lowest common multiple
LCP	Licentiate of the College of Preceptors
L/Cpl	Lance corporal
LCST	Licentiate of the College of Speech Therapists
LCT	Landing craft, tank

LD	Lady Day / Lethal Dosage / Low Dutch
Ld	Lord
LD50	Learning disability (disabled) at 50% (also LD50)
LDC	Less developed country
Ldg	Leading (in Nave ranks and Seaman, etc.)
LDL	Low-density lipoprotein (Biochemistry)
LDP	Liberal Democratic Party
Ldp / Lp	Lordship
LDS	Latter-Day Saints / licentiate in Dental Surgery / Laus Deo semper (Latin) = praise be to God always
LE	Lupus erythematosus (Medicine)
LEA	Local Education Authority (UK)
LF	Line feed (computing) / Low frequency (radio)
Lg. / lge	Large

LGer / LG	Low German
LGA	Local Government Association
LGBT	Lesbian, gay, bisexual and transgender(ed)
LGBTQ	Lesbian, gay, bisexual, transgendered, and queer (or questioning)
lgth	Length
LGU	Ladies’ Golf Union
LGV	Large goods vehicle (UK)
lh / l.h.	Left hand
LH	Luteinizing hormone (Biochemistry)
LHA	Local Health Authority
lhd /LHD	Left-hand drive
LHD	Litterarum Humaniorum Doctor (Latin) = Doctor of Humanities, literally Doctor of the Humane Letters
LI	Light Infantry / Long Island (US)
Li	Lithium (chemical element)
lib.	Librarian / Library / Liber (Latin) = book

Lib.	Liberal
LIBOR	(acronym) London Interbank Offered Rate
LIC	Life Insurance Corporation (India)
LIE	Loss of independent existence
Lieut.	Lieutenant
LIFFE	London International Financial Futures and Options Exchange
LIFO	Last in, first out (methods of stock valuation and data storage) (compare with FIFO = First in, First out)
LJ	Lord Justice (UK)
Lk.	The gospel of Luke (Biblical reference)
ll	Lines
LL	Late Latin / Lord Lieutenant / Low Latin / legume of laws (Latin) = an academic degree
LLA	Lady Literate in Arts

LLB	Legume baccalaureus (Latin) = Bachelor of Laws
LLD	Legum doctor (Latin) = Doctor of Laws
LLM	Legum magister (Latin) = Master of Laws
LLW	Low-level waste
lm	Lumen(s) (SI unit)
LM	Long metre / Lord Mayor / Lunar module
LMA	Liabilities Management Authority
LME	London Metal Exchange
LMS	London Mathematical Society / London Missionary Society / Local Management of Schools / London, Midland and Scottish Railway (Formerly in use)
LMSSA	License in Medicine and Surgery of the Society of Apothecaries
LMT	Local Mean Time (the standard time in a local zone)
LMVD	Licensed Motor Vehicle Dealer (NZ)
LMX	London Market Excess of Loss (Insurance)

ln	(natural) logarithm
LNB	Low-noise blocker (Telecommunications)
LNE / LNER	London and North-Eastern Railway (historical)
LNG	Liquefied natural gas
LOB	Left on base (Baseball)
loc. cit.	(acronym) loco citato (Latin) = in the passage just (already) cited
LOL	Laughing out loud (in emails and social chats) (informal)
lon. / long.	Longitude
Lond.	London
loq.	Loquitur (Latin) = see separate entry
LOS	Loss of signal
LP	Long-playing record
LPG	Liquefied Petroleum Gas
LPGA	Ladies Professional Golf Association
LPN	Licensed Practical Nurse

LPO	London Philharmonic Orchestra
L’pool	Liverpool
LPS	Lord Privy Seal
LQTS	Long QT syndrome
Lr	Lawrencium (the chemical element)
LRAM	Licentiate of the Royal Academy of Music
LRB	Labour Relations Board
LRC	(of trains) light, rapid, comfortable
LRCP	Licentiate of the Royal College of Physicians / LRCP Edin. = of Edinburg / LRCP Lond. = of London / LRCP Irel. = of Ireland
LRCS	Licentiate of the Royal College of Surgeons / LRCS Ed. = of Edinburg / LRCS Eng. = of England / LRCS Irel. = of Ireland
LRIF	Locked-in retirement income fund (Canadian)
LRP	Lead replacement petrol
LRT	Light rail (or rapid) transit
LS	Lesotho (IVR = International Vehicle Registration) / Linnaean Society of London / Leading Seaman (Canadian) / (also ls) loco sigilli (Latin) = in the place of the seal
LSA	Licentiate of the Society of Apothecaries (old)
LSAT	(acronym) Law School Admission Test
LSB	Least significant bit (Computing)

LSC	Learning and Skills Council / Legal Services Commission
LSD. / lsd / £sd	Librae, solidi, denarii (Latin) = pounds, shillings and pence
LSD	Lysergic acid diethylamide ( synthetic crystalline compound)
LSE	London School of Economics (and Political Science)
LSI	Large-scale integration
LSO	London Symphony Orchestra
LT	Lithuania (IVR = = International Vehicle Registration) / low tension
Lt	Lieutenant / light
LTA	Lawn Tennis Association
Lt Cdr	Lieutenant Commander
Lt Col.	Lieutenant Colonel
Ltd	Limited (used at the end of limited liability companies)
Lt Gen.	Lieutenant General

Lt Gov.	Lieutenant Governor
LTh	Licentiate in Theology
LTM	Long-term memory
LTP	Long-term potentiation (relating to nervous system)
LTOM	London Traded Options Market (Commerce)
LTR	Long-term relationship (used in personal advertisements)
Lu	Lutetium (Latin) (Chemical element)
LV	Luncheon voucher (UK) / Latvia (IVR)
LVO	Lieutenant of the (Royal) Victorian Order
LW	Long wave (radio)
Lw	Lawrencium (now Lr) (Latin) (the symbol of the chemical element)
LWM / lwm	Low-water mark
LWR	Light-water reactor
LWT	London Weekend Television

lx	Lux (SI unit) (Physics)
LX	Electrical or electronics / Technical staff who work on lighting and sound (Theatre)
LXX	Septuagint (Latin) = 70
LZ	Landing Zone

Abbreviations & Acronyms in Alphabetical Order – Click the Letter

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

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