Science abbreviations gives full forms from physics, chemistry, biology, space science, laboratories and research organizations for quick GK exam revision.

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Science Abbreviations

Essential science abbreviations for competitive exams - organized alphabetically with colorful sections

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

Exam Tip

Memorize at least 3-5 important abbreviations from each letter for better recall in exams. Use the color coding to associate letters with specific topics.

Science Abbreviations A-Z

A

AC
Alternating Current
ADP
Adenosine Diphosphate
AIDS
Acquired Immune Deficiency Syndrome
AMU
Atomic Mass Unit
ATP
Adenosine Triphosphate
AFM
Atomic Force Microscope
ANA
Antinuclear Antibody
AST
Aspartate Aminotransferase

B

BCG
Bacillus Calmette-Guérin (Tuberculosis vaccine)
BOD
Biochemical Oxygen Demand
BP
Blood Pressure / Boiling Point
BMR
Basal Metabolic Rate
BSE
Bovine Spongiform Encephalopathy
BMI
Body Mass Index
BSA
Body Surface Area
BUN
Blood Urea Nitrogen

C

CAT
Computerized Axial Tomography
CD
Compact Disc
CNG
Compressed Natural Gas
CPU
Central Processing Unit
CRT
Cathode Ray Tube
CERN
European Organization for Nuclear Research
CFC
Chlorofluorocarbon
COD
Chemical Oxygen Demand
CT
Computed Tomography

D

DC
Direct Current
DDT
Dichloro Diphenyl Trichloroethane (insecticide)
DNA
Deoxyribonucleic Acid
DTP
Diphtheria, Tetanus, Pertussis (vaccine)
DVT
Deep Vein Thrombosis
DEXA
Dual-Energy X-Ray Absorptiometry
DO
Dissolved Oxygen
DPT
Diphtheria, Pertussis and Tetanus

E

ECG
Electrocardiogram
EEG
Electroencephalogram
EMF
Electromotive Force
ENT
Ear, Nose, and Throat
ESR
Erythrocyte Sedimentation Rate
ELISA
Enzyme-Linked Immunosorbent Assay
EPA
Eicosapentaenoic Acid
ESR
Electron Spin Resonance

F

FAD
Flavin Adenine Dinucleotide
FM
Frequency Modulation
FTP
File Transfer Protocol
FRS
Fellow of the Royal Society
FPS
Frames Per Second
FSH
Follicle-Stimulating Hormone
FVC
Forced Vital Capacity

G

GDP
Gross Domestic Product
GPS
Global Positioning System
GSM
Global System for Mobile Communications
GMO
Genetically Modified Organism
GABA
Gamma-Aminobutyric Acid
GFR
Glomerular Filtration Rate
GMRT
Giant Metrewave Radio Telescope

H

HIV
Human Immunodeficiency Virus
HTML
HyperText Markup Language
HTTP
HyperText Transfer Protocol
HCL
Hydrochloric Acid
H2O
Water (chemical formula)
Hb
Hemoglobin
hCG
Human Chorionic Gonadotropin
HDL
High-Density Lipoprotein

I

IC
Integrated Circuit
ICU
Intensive Care Unit
IGMP
Internet Group Management Protocol
IR
Infrared Radiation
ISP
Internet Service Provider
IgG
Immunoglobulin G
IUPAC
International Union of Pure and Applied Chemistry
IU
International Unit

J

JFET
Junction Gate Field-Effect Transistor
JPEG
Joint Photographic Experts Group
JVM
Java Virtual Machine
JPG
Joint Photographic Group (image format)
JAX-RS
Java API for RESTful Web Services

K

K
Potassium (chemical symbol)
KB
Kilobyte
KHz
Kilohertz
KVA
Kilovolt-Ampere
KW
Kilowatt

L

LASER
Light Amplification by Stimulated Emission of Radiation
LCD
Liquid Crystal Display
LED
Light Emitting Diode
LPG
Liquefied Petroleum Gas
LSD
Lysergic Acid Diethylamide
LDL
Low-Density Lipoprotein
LHC
Large Hadron Collider
LIGO
Laser Interferometer Gravitational-Wave Observatory

M

MB
Megabyte
MCB
Miniature Circuit Breaker
MHC
Major Histocompatibility Complex
MRI
Magnetic Resonance Imaging
MSH
Melanocyte Stimulating Hormone
mRNA
Messenger Ribonucleic Acid
MMR
Measles, Mumps and Rubella
MRI
Magnetic Resonance Imaging

N

NAD
Nicotinamide Adenine Dinucleotide
NASA
National Aeronautics and Space Administration
NGO
Non-Governmental Organization
NMR
Nuclear Magnetic Resonance
NTP
Normal Temperature and Pressure
NADP
Nicotinamide Adenine Dinucleotide Phosphate
NISAR
NASA-ISRO Synthetic Aperture Radar
NPK
Nitrogen, Phosphorus and Potassium

O

OCT
Optical Coherence Tomography
ODBC
Open Database Connectivity
OOP
Object-Oriented Programming
OR
Operating Room
OS
Operating System
OPV
Oral Polio Vaccine
ORS
Oral Rehydration Solution
Ozone
O3, triatomic oxygen

P

PAN
Personal Area Network
PC
Personal Computer
PET
Positron Emission Tomography
pH
Potential of Hydrogen
PVC
Polyvinyl Chloride
PCR
Polymerase Chain Reaction
ppm
Parts Per Million
PSLV
Polar Satellite Launch Vehicle

Q

QAM
Quadrature Amplitude Modulation
QC
Quality Control / Quantum Computing
QED
Quantum Electrodynamics
QFT
Quantum Field Theory
QTL
Quantitative Trait Locus

R

RAM
Random Access Memory
RBC
Red Blood Cell
RDA
Recommended Dietary Allowance
RF
Radio Frequency
RNA
Ribonucleic Acid

S

SARS
Severe Acute Respiratory Syndrome
SCID
Severe Combined Immunodeficiency
SDLC
Software Development Life Cycle
SI
International System of Units
SMTP
Simple Mail Transfer Protocol

T

TB
Tuberculosis
TCP
Transmission Control Protocol
TFT
Thin Film Transistor
TNT
Trinitrotoluene
TSH
Thyroid Stimulating Hormone

U

UDP
User Datagram Protocol
UHF
Ultra High Frequency
UL
Underwriters Laboratories
URL
Uniform Resource Locator
UV
Ultraviolet

V

VCR
Video Cassette Recorder
VHF
Very High Frequency
VLSI
Very Large Scale Integration
VPN
Virtual Private Network
VR
Virtual Reality

W

WAN
Wide Area Network
WBC
White Blood Cell
WHO
World Health Organization
Wi-Fi
Wireless Fidelity
WWW
World Wide Web

X

Xe
Xenon (chemical symbol)
XML
Extensible Markup Language
XOR
Exclusive OR (logic gate)
XRD
X-Ray Diffraction
XSS
Cross-Site Scripting

Y

YAG
Yttrium Aluminum Garnet
Yb
Ytterbium (chemical symbol)
Y2K
Year 2000 Problem
YAC
Yeast Artificial Chromosome
YAGNI
You Aren't Gonna Need It (programming principle)

Z

ZIFT
Zygote Intrafallopian Transfer
ZIP
Zone Improvement Plan (file format)
ZFS
Zettabyte File System
ZIF
Zero Insertion Force (socket)
ZIP
Zinc, Iron, Protein (nutrition)
Note: This is a demonstration with sample data for letters A-H. A complete implementation would include all letters of the alphabet with comprehensive science abbreviations.