Biology Dictionary: D
Search or browse the dictionary for the definition of biology terms starting with the letter “D”.
Dictionary > D
D
- D enzyme
- D-glucose
- Dactylospasm
- Dactylus
- Daffodil
- Dam
- Damp
- Dan
- Danger
- Dangerous behaviour
- Dansyl chloride
- Dark reaction
- Dark respiration
- Dart
- Darwin Charles
- Darwinian fitness
- Darwinism
- Data
- Data collection
- Data Point
- Date
- Datum
- Dauw
- Dawbarns sign
- De novo
- De novo pathway
- De-efferentation
- Deactivation
- Dead
- Dead-end host
- Dealkylation
- Deamination
- Death phase
- Death rate
- Debris
- Decant
- Decapeptide
- Decapoda
- Decatenation
- Decay
- Deception
- Decerebrate rigidity
- Deciduous forest
- Decision
- Declination
- Decline
- Decoction
- Decomposer
- Decomposition
- Decomposition of movement
- Decompression
- Decoy
- Decrease
- Decree
- Decremental conduction
- Dedifferentiation
- Deer
- Defaecation
- Defecation
- Defective bacteriophage
- Defects
- Defense reflex
- Deficiency mutant
- Definite
- Definitions
- Definitive host
- Deflection
- Defoliation
- Deformation
- Deformity
- Degenerate
- Degenerative disease
- Deglutition
- Deglutitive
- Deglutology
- Degradation
- Degrade
- Degrees of freedom
- Dehiscence
- Dehydration
- Dehydration reaction
- Dehydrogenase
- Dehydrogenation
- Delamination
- Deletion
- Deletion mutation
- Delicacy
- Delicate
- Deligation
- Delimitation
- Delineation
- Delivery
- Delivery system
- Deltaproteobacteria
- Delusion of passivity
- Demecolcine
- Demographic transition
- Demonstration
- Denaturation
- Dendrite
- Dendrology
- Denitrification
- Dens
- Dens sapientiae
- Dens serotinus
- Dense bodies
- Dense connective tissue
- Dense irregular connective tissue
- Dense regular connective tissue
- Densitometer
- Density
- Density dependence
- Density dependent factor
- Density dependent inhibition of growth
- Density dependent limiting factor
- Density Independent Factor
- Dental cuticle
- Dental enamel
- Dentinocemental junction
- Dentures
- Deoxyadenosine diphosphate
- Deoxyadenosine monophosphate
- Deoxyadenosine triphosphate
- Deoxycytidine monophosphate
- Deoxycytidine triphosphate
- Deoxyguanosine diphosphate
- Deoxyguanosine monophosphate
- Deoxyguanosine triphosphate
- Deoxyribonucleic acid
- Deoxyribonucleotide
- Deoxyribose
- Deoxythymidine
- Dependency
- Dependent drainage
- Dependent variable
- Deplete
- Depletion
- Depolarization
- Depolymerization
- Deposit
- Deposits
- Depressant
- Depressor reflex
- Depth of field
- Derangement
- Derivation
- Derivative
- Derivative chromosome
- Derivatives
- Derive
- Derma
- Dermagraphy
- Dermal tissues
- Dermatitis
- Dermatoma
- Dermic
- Dermis
- Des
- Descend
- Descending
- Descensus uteri
- Describe
- Descriptive
- Descriptive anatomy
- Desiccation
- Desmosome
- Desolate
- Desolvation
- Desorption
- Destiny
- Detect
- Detection
- Detector
- Determinate
- Determinate cleavage
- Determination
- Determine
- Deterministic model
- Detritivore
- Developed countries
- Development
- Developmental anatomy
- Devolution
- Dew
- Dexter
- Dexterity
- Dextran
- Dextrin
- Dextrorotatory
- Dextrose
- Dhobie itch
- Diabetes
- Diachronic study
- Diacylglycerol
- Diagnosis
- Diagram
- Diakinesis
- Dial
- Dialysis
- Diameter
- Diameter obliqua
- Diametric
- Diamond
- Diana complex
- Diaphoretic
- Diarrhea
- Diarthrodial joint
- Diaster
- Diatom
- Diatomaceous earth
- Diatonic
- Diazotroph
- Dibasic amino acid
- Dichorionic-diamniotic twins
- Dichotomous
- Dichotomous key
- Dicot
- Dicotyledon
- Dicrotic notch
- Dicrotic pulse
- Dictyate
- Dictyosome
- Diels hydrocarbon
- Diet
- Diethylaminoethyl-cellulose
- Difference
- Differential centrifugation
- Differential medium
- Differential screening
- Differential stain
- Differentiation
- Differentiation antigen
- Diffraction
- Diffuse
- Diffusible
- Diffusion
- Diffusion equilibrium
- Diffusion shell
- Digastric groove
- Digastric muscle
- Digastric notch
- Digenetic
- Digenous
- Digestant
- Digestion
- Digestive enzymes
- Digestive glycosuria
- Digestive leukocytosis
- Digestive system
- Digit
- Digitus annularis
- Digitus minimus
- Diglyceride
- Dihaploid
- Dilate
- Diluent
- Dilute
- Dim
- Dimension
- Dimensions
- Dimer
- Dimerization
- Diminution
- Dimorphism
- Dimorphous
- Dimorphous leprosy
- Dinoflagellate
- Dinucleotide
- Diocese
- Dip
- Dipeptide
- Diphthong
- Diphyllobothrium latum
- Diploblastic
- Diploid
- Diploidy
- Diplomatic
- Diplotene
- Dipygus
- Direct
- Direct agglutination
- Direct life cycle
- Direct percussion
- Directional Selection
- Directly
- Dirt
- Disaccharide
- Disaggregation
- Discipline
- Discoblastula
- Discoid
- Discoidal cleavage
- Discordant
- Discourage
- Discrete
- Discrete character
- Discrete random variable
- Discrimination
- Discus intervertebralis
- Discussion
- Disease
- Diseases
- Disinfectant
- Disinfestation
- Disinhibition
- Disintegration
- Disintegrator
- Disjunction
- Disk
- Disorder
- Disorganization
- Disparity
- Dispatch
- Dispensation
- Dispensing tablet
- Dispersal
- Dispersal habitat
- Dispersion
- Displacement
- Display
- Disruptive Selection
- Disseminator
- Dissent
- Dissimilation
- Dissimulation
- Dissociation
- Dissociation constant
- Dissolution
- Dissolved oxygen
- Distal
- Distal end cutter
- Distance
- Distance Receptor
- Distend
- Distensibility
- Distention
- Distilled water
- Distinction
- Distinguish
- Distribution
- Distribution curve
- Districhiasis
- Disturbance
- Disulfide bond
- Dithecous
- Diuresis
- Diurnal rhythm
- Diurnality
- Divalent
- Divergence
- Divergent evolution
- Divers
- Diversity
- Diverticulum
- Divide
- Divided dose
- Divine
- Division
- Dizygotic twins
- DNA
- Dna gyrase
- Dna ligase
- DNA polymerase
- DNA polymerase I
- DNA polymerase II
- Dna rearrangement
- Dna repair
- DNA replication
- Dna sequence analysis
- DNA virus
- Doctrine
- Doderleins bacillus
- Doerfler-stewart test
- Dog
- Dogma
- Dohle body
- Dolor
- Dom
- Domain
- Domatia
- Dome
- Domestic
- Domestic cat
- Dominance
- Dominance-subordination
- Dominant
- Dominant character
- Dominant gene
- Dominant lethal trait
- Dominant species
- Dominant trait
- Donor
- Dopamine
- Dormancy
- Dormant
- Dorsal
- Dorsal muscles
- Dorsal root ganglion
- Dorsal spine
- Dorsum of tongue
- Dosage effect
- Dosage schedule
- Dose
- Double bond
- Double circulation
- Double stranded DNA virus
- Double-voided specimen
- Doublet
- Doublets
- Doubly heterozygous
- Dove
- Dowel
- Down
- Down promoter mutation
- Down-regulation
- Downstream
- Dpt
- Dragon fruit
- Drain
- Drawtube
- Drepanocyte
- Drink
- Driver
- Drivers
- Drone
- Drones
- Droop
- Droplet
- Dropper
- Drug
- Drupe
- Dry leprosy
- Dry mass
- DsRNA virus
- Dubious
- Duct
- Dull
- Dumb
- Dumbs
- Dumdum fever
- Duocrinin
- Duplication
- Duplication mutation
- Duration
- Dust
- Dwarf
- Dwell
- Dye
- Dynamic equilibrium
- Dynamic range
- Dynamics
- Dysbolism
- Dysentery
- Dysfunction
- Dysplasia