Some science words start with D, like density, diffusion, and decomposition. They explain how matter moves, changes, or reacts in nature. Science words that start with D help describe these processes in simple ways.
Using these science words that start with D helps learners learn new vocabulary and talk about science clearly.
List of Science Words That Start With D
- Data
- Dendrite
- Density
- Deposition
- Desertification
- Desalination
- Diffusion
- Digestion
- Dioxin
- Diploid
- Displacement
- DNA
- Dominant
- Doppler effect
- Drainage
- Drying
- Drought
- Dynamics
- Dynamo
- Dendrology
- Decay
- Diaphragm
- Diatomic
- Diameter
- Distillation
- Disaccharide
- Dosage
- Drug
- Dust
- Dye
- Detoxification
- Development
- Dormancy
- Diversity
- Ductus
- Dissolution
- Decomposition
- Degassing
- Denaturation
- Dialysis
- Dopant
- Double bond
- Dehydration
- Diffraction
- Dispersion
- Drag
- Deceleration
- Dielectric
- Damping
- Discharge
- Drift
- Detritus
- Deposits
- Disturbance
- Deforestation
- Dispersal
- Dissipation
- Dam
- Diagnosis
- Device
- Diagram
- Demonstration
- Detection
- Design
- Discovery
- Developmental
- Diuretic
- Deformation
- Downstream
- Digital
- Depolarization
- Differential
- Dendrogram
- Dry matter
- Disaccharidase
- Deflection
- Direct current
- Dark matter
- Doppler shift
- Density gradient
- Differential pressure
- Diffuse reflection
- Dust storm
- Diurnal
- Dynamic equilibrium
- Deepening
- Direct transmission
- Dose-response
- Drift velocity
- Disulfide
- Decibel
- Dissociation
- Domain
- Dendritic cell
- Demography
- Diastolic
- Dimer
- Dirac equation
- Dipole
- Drosophila
- Damping ratio
- Distillate
- Double helix
- Diffuse radiation

Common Science Words That Begin With D
- Density
- Diffusion
- Diameter
- DNA
- Drought
- Displacement
- Dioxide
- Dynamics
- Decomposition
- Doppler
Rare and Uncommon Science Words That Start With D
- Dendrite: Branch-like extension of a neuron that receives signals
- Denaturation: Structural change in proteins or nucleic acids
- Diurnal: Active or occurring during the daytime
- Divergence: Process where species evolve different traits
- Deliquescent: Substance that absorbs moisture and dissolves
- Dyne: Unit of force in the CGS system
- Dialysis: Separation through a semi-permeable membrane
- Desiccation: Drying out or removal of moisture
- Deposition: Particles settling out of a fluid or gas
- Decibel: Unit measuring sound intensity
Science Words That Start With D in Physical Science
- Displacement
- Dynamics
- Density
- Diffraction
- Ductility
- Diode
- Drag
- Deceleration
- Damping
- Dielectric
Science Words That Start With D in Environmental Science
- Deforestation
- Desertification
- Drainage
- Decomposition
- Decontamination
- Drought
- Dissolution
- Detritus
- Discharge
- Deposition
Science Words That Begin With D in Earth Science
- Delta
- Drift
- Dormancy
- Dike
- Diabase
- Deposition
- Downburst
- Dendrochronology
- Divisions
- Drainage
Science Words That Start With D in Biology
- DNA
- Dendrite
- Digestive
- Deoxyribonucleic
- Diaphragm
- Dominant
- Dormant
- Differentiation
- Detoxification
- Development
5th and 6th Grade Science Words That Start With D
- Density
- Diameter
- DNA
- Drought
- Diffusion
7th and 8th Grade Science Words That Start With D
- Dendrite
- Decomposition
- Diurnal
- Denaturation
- Divergence
Multi-Word Phrases That Start With D in Science
- Density of water
- Diffusion of gases
- Diameter of circle
- DNA sequence analysis
- Decomposition rate
- Diurnal temperature range
- Dominant allele
- Dynamic equilibrium
- Damping coefficient
- Deposition of sediment
How to Use Science Words That Start With D in Sentences
- The density of the liquid is higher than water.
- Diffusion occurs when particles spread evenly.
- The DNA sequence determines genetic traits.
- Decomposition of leaves enriches soil nutrients.
- Dynamics explains motion in physics.
- The drought affected crop production.
- Dendrites help neurons receive signals.
- Deposition of sand forms deltas.
Pronunciation of Science Words That Start With D
- Density – /ˈdensɪti/
- Diffusion – /dɪˈfjuːʒən/
- Diameter – /daɪˈæmɪtər/
- DNA – /diː ɛn eɪ/
- Drought – /draʊt/
- Decomposition – /diːˌkɒmpəˈzɪʃən/
- Dendrite – /ˈdɛndraɪt/
- Deposition – /ˌdɛpəˈzɪʃən/
FAQs About Science Words That Start With D
Common science words that start with D include DNA, Density, Diffusion, Diameter, and Drought.
Rare science words that start with D include Dendrite, Denaturation, Diurnal, Divergence, and Deliquescent.
Science words like Density, Diffusion, DNA, Drought, and Decomposition have standard English pronunciations.
Physical science words that start with D include Dynamics, Displacement, Density, Diode, and Drag.
Earth science words that start with D include Delta, Drift, Dormancy, Dike, and Deposition.