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:

Words Meanings
Opaque Difficult to see
Gravity The force that attracts mass
Prey   kill and hunt for food
Bacteria Unicellular microorganism
Brain A coordinating organ of human body
Nectar Juicy fluid within flowers
Deciduous A tree or shrub name
Shadow A dark area
Magnetic Having magnetic properties
Electricity Flow of electron
Mixture A combination of different things
Gas State of matter that can expand freely
Dissolve Solid form in any liquid
Energy Power
Fossil The remains of plant or animal
Geology Study of earth
Atom The smallest particle
Biology The study of living beings
Cell Structural and Functional unit of life
Chemistry The study of matter in terms of composition, properties and reaction.
Botany  The study of plants
Element Species of atom
Fact Any true information
Hypothesis A proposed explanation
Laws The system of specific rules
Mass Matter in a body
Matter Any physical substance
Measure Computation of size, amount by apply any instrument
Mineral Naturally existing Inorganic substance
Observe A state of knowing facts by full attention and focus
Organism An individual/living being
Particle A minute entity of matter
Phase Any entity of same composition
Physics The study of matter and energy
Pipette A laboratory toll used in lab
Quantum Quantity of energy
Mechanics The study of motion and force by apply mathematics
Radiology The study of radiations for the disease treatment
Scale Bony plates in the fish skin
Scientist A person that has scientific knowledge and apply it on large scale.
Temperature The degree of heat measurement
Test tube A thin tube made up of glass
Zoology Animal study on a broader level
Variable Liable to change with conditions
Weigh Expression of heaviness
Weather State of atmosphere
Volume The amount of space occupies by any object
Pressure  Force per unit area
Watch glass A glass disc
Virology Study of viruses
Data  Statistics and facts
Investigation An action of finding facts
Inference A conclusion
Prediction A forecast
Directions A route or course
Compare Estimation of things 
Increase  Greater in amount or size
Decrease Smaller or fewer in amount or size
Microscope An optical instrument
Results Findings after an investigation
Magnify Making objects larger in appearance by optical devices
Beaker A glass ware for measuring the volume
Graph A representation of data
Expand Making larger
Analyze Detail examination
Classify Categorization on a common base
Material The raw stuff for manufacturing of anything from
Practical Learning by doing
Light A form of energy
Dark Absence of light
Proton A constituent of an atom
Neutron Sub-particle of an atom
Pitch The intensity of sound
Barometer Pressure measuring instrument
Humidity A quantity expressing water vapor’s amount
Reflection The turning of light/energy from any surface
Hygrometer Humidity measuring instrument
Surface Any outer part of an object/something
Accelerate Degree of Quickness
Friction Resistance due to movement
Kinetic Movement
Equipment Apparatus for a particular purpose
Circuit A path that electricity follows during its flowing
Bulb Light producing instrument
Motor Any machine that works
Solubility  Ability of a substance to get dissolve
Reaction Any chemical process that cause changes
Fission The process of separation
Fusion The process of joining things
Burning The process of combustion
Rusting A chemical process that spoil iron
Separate Division by physical methods
Hardness The state of being hard
Properties Attribute that specify something
Melting The process of liquefication by heating
Boiling Process occurs when matter reaches near its boiling point
Brittle Hard in nature but break without showing elasticity
Conductor Material that pass electricity
Insulator Heat/electricity resistance substance
Transparent Clear
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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