100 Science Vocabulary Words with Meaning – A to Z

We know that Science is a field of study concerned with discovering and describing the world around us. It is based on observations and experiments.

Zoology, Biology, Geology, chemistry, Radiology and physics are some branches of science.

Today we are going to learn some cool science vocabulary words like brain, gravity, gas, atom, cell etc. and see their meanings to help you understand their significance.

Science Vocabulary Words with Meanings

Following is a list of examples of words related to science along with their meanings:

WordsMeanings
OpaqueDifficult to see
GravityThe force that attracts mass
Prey  kill and hunt for food
BacteriaUnicellular microorganism
BrainA coordinating organ of human body
NectarJuicy fluid within flowers
DeciduousA tree or shrub name
ShadowA dark area
MagneticHaving magnetic properties
ElectricityFlow of electron
MixtureA combination of different things
GasState of matter that can expand freely
DissolveSolid form in any liquid
EnergyPower
FossilThe remains of plant or animal
GeologyStudy of earth
AtomThe smallest particle
BiologyThe study of living beings
CellStructural and Functional unit of life
ChemistryThe study of matter in terms of composition, properties and reaction.
Botany The study of plants
ElementSpecies of atom
FactAny true information
HypothesisA proposed explanation
LawsThe system of specific rules
MassMatter in a body
MatterAny physical substance
MeasureComputation of size, amount by apply any instrument
MineralNaturally existing Inorganic substance
ObserveA state of knowing facts by full attention and focus
OrganismAn individual/living being
ParticleA minute entity of matter
PhaseAny entity of same composition
PhysicsThe study of matter and energy
PipetteA laboratory toll used in lab
QuantumQuantity of energy
MechanicsThe study of motion and force by apply mathematics
RadiologyThe study of radiations for the disease treatment
ScaleBony plates in the fish skin
ScientistA person that has scientific knowledge and apply it on large scale.
TemperatureThe degree of heat measurement
Test tubeA thin tube made up of glass
ZoologyAnimal study on a broader level
VariableLiable to change with conditions
WeighExpression of heaviness
WeatherState of atmosphere
VolumeThe amount of space occupies by any object
Pressure Force per unit area
Watch glassA glass disc
VirologyStudy of viruses
Data Statistics and facts
InvestigationAn action of finding facts
InferenceA conclusion
PredictionA forecast
DirectionsA route or course
CompareEstimation of things 
Increase Greater in amount or size
DecreaseSmaller or fewer in amount or size
MicroscopeAn optical instrument
ResultsFindings after an investigation
MagnifyMaking objects larger in appearance by optical devices
BeakerA glass ware for measuring the volume
GraphA representation of data
ExpandMaking larger
AnalyzeDetail examination
ClassifyCategorization on a common base
MaterialThe raw stuff for manufacturing of anything from
PracticalLearning by doing
LightA form of energy
DarkAbsence of light
ProtonA constituent of an atom
NeutronSub-particle of an atom
PitchThe intensity of sound
BarometerPressure measuring instrument
HumidityA quantity expressing water vapor’s amount
ReflectionThe turning of light/energy from any surface
HygrometerHumidity measuring instrument
SurfaceAny outer part of an object/something
AccelerateDegree of Quickness
FrictionResistance due to movement
KineticMovement
EquipmentApparatus for a particular purpose
CircuitA path that electricity follows during its flowing
BulbLight producing instrument
MotorAny machine that works
Solubility Ability of a substance to get dissolve
ReactionAny chemical process that cause changes
FissionThe process of separation
FusionThe process of joining things
BurningThe process of combustion
RustingA chemical process that spoil iron
SeparateDivision by physical methods
HardnessThe state of being hard
PropertiesAttribute that specify something
MeltingThe process of liquefication by heating
BoilingProcess occurs when matter reaches near its boiling point
BrittleHard in nature but break without showing elasticity
ConductorMaterial that pass electricity
InsulatorHeat/electricity resistance substance
TransparentClear
Note: Do you some common words related to science fiction?
Here are some hard science fiction vocabulary words: Atmosphere, Black body radiation, Comet, Dark Matter, Nebula, Plasma, Pulsar, Quark, Radiation, Solar Flare, Super Conductivity, Titan, Universe, Velocity

Let’s have a look at some collection of hard science terms and phrases in alphabetical order a to z.

  1. A Words: Acceleration, Alpha rays, Argon, Asteroids
  2. B Words: Beta rays, Bivalent, Bivalent, Bandwidth, Black Hole, Bluetooth
  3. C Words: Catalyst, Carbohydrates, Celsius, Circuit, Comet
  4. D Words: Decible, Deoxyribonucleic Acid (DNA), Diffraction, Diode, Distance, Dust
  5. E Words: Electron, Elasticity, Electromagnetic Waves, Ethernet, Extinction
  6. F Words: Fahrenheit, Filament, Freeze, Frequency, Friction
  7. G Words: Gigabytes, Gravity
  8. H Words: HTML, Hypertext, Hypothesis
  9. I Words: Impact, Induction, Inertia, Insulator, Internet
  10. J Words: Joule
  11. K Words: Kelvin, Keratins, Kinetic Energy
  12. L Words: Light, Luminosity, Lightning
  13. M Words: Magnetism, Media, Magnetic Field, Mathematics, Milky Way, Momentum
  14. N Words: Nanosecond, Network, Nerve, Nocturnal, Nuclease
  15. O Words: Ovulation, Optical Light, Occulation
  16. P Words: Particle, Period, Phobia, Planet, Potential Energy, Power (P)
  17. Q Words: Quantitative, Qualitative, Quantum Theory
  18. R Words: Radiation, Radioactivity, Refraction, Relativity, Revolution, Rotation
  19. S Words: Satellite, Scalar, Solar System, Static Electricity, Speed
  20. T Words: Time, Torque, Tumor, Turbine
  21. U Words: Ultraviolet Light, Universe, Uncertainty, UPS, Uterus
  22. V Words: Vacuum, Vector, Velocity, Virus
  23. W Words: Watt, Wavelength, Weight, Work
  24. X Words:  X- chromosome, X- Ray,  X- band
  25. Y Words: Yolk, Yellow fever
  26. Z Words: Zoology, Z-DNA

We hope that this list will give you some insight on different basic scientific terms and how they are related.

Keep exploring EnglishBix for more resources related to subject specific vocabulary.

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