100+ Science Words That Start With B (Huge List)

Buckle up for an exhilarating exploration of science with over 100 captivating words that commence with the letter “B.” Delve into the realms of biology, botany, and bioinformatics.

Uncover the mysteries of biophysics, bacteriology, and more. Let this compilation expand your scientific knowledge and ignite your curiosity for the natural world.

Science Words That Start With B

Here is the list of common science words with B;

  • Biology
  • Botany
  • Bacteria
  • Biochemistry
  • Biotechnology
  • Biome
  • Bioluminescence
  • Barometer
  • Brain
  • Biopsy
  • Blood
  • Biodegradable
  • Binary
  • Biogeochemistry
  • Buoyancy
  • Biodiversity
  • Biomechanics
  • Bioinformatics
  • Biofuel
  • Bond
  • Bioremediation
  • Base pair
  • Bioavailability
  • Breeding
  • Behavior
  • Bernoulli’s principle
  • Black hole
  • Botanical
  • Biosphere
  • Biomineralization
  • Biotic
  • Big Bang
  • Balancing
  • Bipedal
  • Biodegradation
  • Biomarker
  • Blastocyst
  • Biotic factor
  • Bromine
  • Byproduct
  • Blastula
  • Biostatistics
  • Blood pressure
  • Biodiesel
  • Base pair sequencing
  • Benthos
  • Beta particle
  • Bioethics
  • Biological clock
  • Biohazard
  • Biomechanical engineering
  • Bacterial culture
  • Binomial nomenclature
  • Biotic community
  • Bioreactor
  • Biostratigraphy
  • Biogas
  • Biomaterial
  • Basalt
  • Biopsy needle
  • Baroreceptor
  • Biopolymer
  • Benign tumor
  • Biological warfare
  • Breeding season
  • Biodiversity hotspot
  • Bioremediation technology
  • Binoculars
  • Bacteriology
  • Biochemical pathway
  • Behavioral ecology
  • Bioluminescent organism
  • Blood cells
  • Brachiosaurus
  • Biotic interaction
  • Bacterial infection
  • Binary fission
  • Bioactive compound
  • Bioinformatics database
  • Bioassay
  • Blood circulation
  • Biological control
  • Biosynthesis
  • Biodiversity conservation
  • Biopsy procedure
  • Biodegradable plastic
  • Batch culture
  • Basal metabolic rate
  • Biogeography
  • Biomechanical analysis
  • Boreal forest
  • Bioavailability study
  • Bioprocess engineering
  • Biopreservation
  • Biochemical reaction
  • Breeding program
  • Blood type
  • Biomedical research

Related: Science Words A to Z

science words that start with b

Explore Other Science Words:

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Science Words With B (By Grade)

4th Grade Science Words With B:

  • Buoyancy
  • Biome
  • Boiling
  • Beaker
  • Bacteria
  • Burrow
  • Biodegradable
  • Base
  • Backbone
  • Buds
  • Benthos
  • Blizzard
  • Barometer
  • Balance
  • Battery
  • Breed
  • Burrow
  • Biodiversity
  • Biosphere
  • Blastula

5th Grade Science Words With B:

  • Barometric Pressure
  • Biotechnology
  • Biotic
  • Bioluminescence
  • Biopsy
  • Biosynthesis
  • Biomolecule
  • Biophysics
  • Baryon
  • Botany
  • Bronchus
  • Buccal
  • Binary Fission
  • Bivalve
  • Bioinformatics
  • Biodegradation
  • Blastocoel
  • Ballast
  • Biofuel
  • Birefringence

6th Grade Science Words With B:

  • Biochemistry
  • Binomial Nomenclature
  • Bionics
  • Bioremediation
  • Bioindicator
  • Biogenesis
  • Biomass
  • Biomechanics
  • Bipolar Cell
  • Buffer
  • Burden
  • Basalt
  • Batholith
  • Beam
  • Beta Decay
  • Biosphere
  • Black Hole
  • Boiling Point
  • Bond Energy
  • Brittle

7th Grade Science Words With B:

  • Bacteriophage
  • Bioaccumulation
  • Biodiversity Hotspot
  • Bioethics
  • Biomagnification
  • Biosafety
  • Biostatistics
  • Biozone
  • Benthic Zone
  • Beta Particle
  • Biocatalyst
  • Bioenergetics
  • Biogeography
  • Bioluminescent
  • Biometric
  • Blastocyst
  • Bolometer
  • Breccia
  • Buffer Solution
  • Butte

8th Grade Science Words With B:

  • Basal Metabolic Rate
  • Biocenosis
  • Bioelectricity
  • Biogeochemical Cycles
  • Biomechatronics
  • Bioprospecting
  • Biosimilar
  • Biota
  • Biotic Potential
  • Blackbody Radiation
  • Blastopore
  • Bohr Model
  • Boson
  • Boyle’s Law
  • Brackish
  • Brainwave
  • Bulk Matter
  • Buoyant Force
  • Burgess Shale
  • Byssus

Science Words Starting With B (By Subject)

Physics Words That Start With B:

  • Bandwidth
  • Bernoulli’s Principle
  • Beta Ray
  • Binding Energy
  • Biot-Savart Law
  • Black Body
  • Bose-Einstein Condensate
  • Brownian Motion
  • Bragg’s Law
  • Brightness
  • Barycenter
  • Becquerel
  • Big Bang Theory
  • Bimetallic Strip
  • Binary Star
  • Bipolar Junction Transistor
  • Blackbody Spectrum
  • Blazar
  • Brewster’s Angle
  • Buoyant

Chemistry Words That Start With B:

  • Base
  • Bicarbonate
  • Bond
  • Boyle’s Law
  • Buffer
  • Bequerel
  • Benzene
  • Biodegradable
  • Boron
  • Bromine
  • Butane
  • Bonding
  • Brønsted Acid
  • Bunsen Burner
  • Barium
  • Batch Process
  • Beaker
  • Beer-Lambert Law
  • Benzyl Group
  • Biochemistry

Biology Words That Start With B:

  • Biomolecule
  • Biopsy
  • Bacterium
  • Bilateral Symmetry
  • Biogeography
  • Biopsy
  • Biotic Factor
  • Biosynthesis
  • Blastula
  • Botanical
  • Bryophyte
  • Buffers
  • Bulb
  • Biocatalyst
  • Biodegradable
  • Biogenetics
  • Bioinformatics
  • Biomimetics
  • Biophysics
  • Biotechnology

Math Words That Start With B:

  • Binomial
  • Bisect
  • Boundary
  • Base
  • Boolean Algebra
  • Bounded Function
  • Braid Theory
  • Brachistochrone
  • Bernoulli’s Inequality
  • Beta Function
  • Bilinear
  • Bimodal Distribution
  • Binomial Coefficient
  • Binomial Theorem
  • Bijective
  • Bisection Method
  • Bit
  • Bivariate
  • Boundary Value Problem
  • Box Plot

Physical Science Words With B:

  • Barometer
  • Boiling Point
  • Buoyant Force
  • Base Unit
  • Beam
  • Binding Energy
  • Bimetallic Strip
  • Birefringence
  • Black Hole
  • Boiling
  • Brittle
  • Brownian Motion
  • Buffer
  • Bunsen Burner
  • Barometric Pressure
  • Baryon
  • Beta Particle
  • Binary Compound
  • Binding Energy
  • Biodegradation
  • Biotic Factor
  • Bipolar Transistor
  • Boiling Water Reactor
  • Boltzmann Constant
  • Bose-Einstein Condensate

Scientific Words With B:

  • Bioaccumulation
  • Biocatalyst
  • Biochemical
  • Biocompatibility
  • Biodegradation
  • Biodiversity
  • Bioenergetics
  • Bioengineering
  • Biogeography
  • Biological Clock
  • Biomagnification
  • Biomarker
  • Biomechanics
  • Biomedicine
  • Biometric
  • Biophysics
  • Bioprospecting
  • Bioreactor
  • Biostatistics
  • Biosynthesis
  • Biotic
  • Blackbody Radiation
  • Blazar
  • Bohr Model
  • Botany

Forensic Words with B:

  • Ballistics
  • Blood Spatter
  • Blunt Force Trauma
  • Buccal Swab
  • Bullet Trajectory
  • Bloodstain Pattern Analysis
  • Body Farm
  • Bone Fragment
  • Buried Remains
  • Bite Mark Analysis
  • Blood Evidence
  • Bludgeoning
  • Bomb Fragments
  • Bookmaking
  • Bootlegging
  • Brachylogy
  • Breathalyzer Test
  • Bribery
  • Brush and Dust
  • Bullet Wipe
  • Burn Pattern
  • Biological Evidence
  • Biometric Security
  • Blood Detection
  • Ballistic Fingerprinting

Science Words with B and Their Meanings:

  1. Bacteria: Microscopic single-celled organisms.
  2. Biome: Large community of plants and animals.
  3. Buoyancy: Ability of an object to float in the fluid.
  4. Biodiversity: Variety of life in the world or habitat.
  5. Botany: Study of plants.
  6. Baryon: Heavy subatomic particle, e.g., proton or neutron.
  7. Barometer: Instrument measuring atmospheric pressure.
  8. Biotechnology: Use of living systems in technology.
  9. Base: Substance with a pH greater than 7.
  10. Binary: Relating to, composed of, or involving two things.
  11. Biosphere: Global ecological system integrating all living beings.
  12. Beaker: Flat-bottomed cylindrical container, used in laboratories.
  13. Bioluminescence: Light produced by living organisms.
  14. Biopsy: Examination of tissue removed from a living body.
  15. Boiling Point: Temperature at which a liquid boils.
  16. Bond: Lasting attraction between atoms, ions, or molecules.
  17. Black Hole: Region of space having a gravitational field so intense.
  18. Buffer: Solution that resists changes in pH.
  19. Biochemistry: Study of chemical processes in living organisms.
  20. Beta Particle: High-energy, high-speed electron in nuclear decay.
  21. Biomass: Total mass of organisms in a given area.
  22. Bronchus: Major air passage of the lungs.
  23. Boron: Chemical element with symbol B.
  24. Biotic: Relating to or resulting from living things.
  25. Blizzard: Severe snowstorm with high winds.
  26. Bacteriophage: Virus that infects and replicates within bacteria.
  27. Biogenesis: Production of new living organisms.
  28. Bryophyte: Group of non-vascular plants, e.g., mosses.
  29. Barium: Soft, silvery alkaline earth metal.
  30. Barnacle: Type of arthropod belonging to the subclass Cirripedia.