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English Words Starting With D

7,181 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Suffix Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

differential
adjectivenounC1
/ˌdɪf.əˈren.ʃəl/A difference in amount, degree, or value between two or more comparable things; relating to or showing a difference.
differential analyzer
nounC2
/ˌdɪf.əˌren.ʃəl ˈæn.ə.laɪ.zər/A type of analog computer designed to solve differential equations by integration using mechanical or electrical components.
differential association
nounLow
/ˌdɪf.ərˈen.ʃəl əˌsəʊ.siˈeɪ.ʃən/A criminology theory stating that criminal behaviour is learned through association with others.
differential calculus
nounC2
/ˌdɪf.əˈren.ʃəl ˈkæl.kjə.ləs/The branch of mathematics that deals with finding and describing derivatives, rates of change, slopes of curves, and related concepts.
differential coefficient
nounVery Low
/ˌdɪf.əˌren.ʃəl ˌkəʊ.ɪˈfɪʃ.ənt/The instantaneous rate of change of a function; the result of differentiation.
differential compaction
nounC2
/ˌdɪf.əˌren.ʃəl kəmˈpæk.ʃən/The uneven settling or compression of sedimentary layers due to variations in thickness, composition, or underlying topography.
differential equation
nounC1/C2
/ˌdɪf.əˌren.ʃəl ɪˈkweɪ.ʒən/An equation that relates a function with its derivatives, expressing how a quantity changes relative to other quantities.
differential gear
nounLow
/ˌdɪf.əˈren.ʃəl ɡɪə/A gear assembly in a vehicle that allows the driving wheels to rotate at different speeds, especially when cornering.
differential geometry
nounVery Low (Specialist)
/ˌdɪf.əˌren.ʃəl dʒiˈɒm.ə.tri/A branch of mathematics that uses calculus and linear algebra to study the geometric properties of curves, surfaces, and higher-dimensional spaces.
differential operator
nounC2
/ˌdɪf.ərˈen.ʃəl ˈɒp.ər.eɪ.tər/A mathematical object, often symbolised by D, ∂/∂x, etc., which acts on a function to produce its derivative or a related expression.
differential psychology
nounC2
/ˌdɪf.əˌren.ʃəl saɪˈkɒl.ə.dʒi/The branch of psychology that studies measurable individual differences in behavior, abilities, and traits.
differential quotient
nounC2
/ˌdɪf.əˌren.ʃəl ˈkwəʊ.ʃənt/The result of dividing the increment of a function by the increment of the independent variable, representing the instantaneous rate of change; the derivative of a function.
differential rate
nounC1
/ˌdɪf.əˈren.ʃəl ˈreɪt/A varying rate that changes based on specific conditions, factors, or categories.
differential topology
nounVery Low
/ˌdɪf.əˌren.ʃəl təˈpɒl.ə.dʒi/A branch of mathematics concerned with the study of differentiable manifolds and differentiable maps between them, focusing on properties that are invariant under diffeomorphism.
differential weathering
nounLow
/ˌdɪf.ərˈen.ʃəl ˈweð.ər.ɪŋ/The uneven wearing away of rock surfaces or geological features due to variations in their resistance to weathering processes.
differential windlass
nounVery Low
/ˌdɪf.əˈren.ʃəl ˈwɪnd.ləs/A mechanical lifting device using two drums of different diameters on the same shaft, providing a mechanical advantage through differential winding.
differentiate
verbverb-intransitiveverb-transitiveC1
/ˌdɪf.əˈren.ʃi.eɪt/To recognize or show the difference between things; to distinguish.
differentiation
nounC1-C2
/ˌdɪf.əˌren.ʃiˈeɪ.ʃən/The process or action of distinguishing or making distinct; the development of differences.
differentiator
nounC1
/ˌdɪf.əˈren.ʃi.eɪ.tər/A feature, factor, or characteristic that distinguishes one thing from another, especially in a competitive context.
difficulty
nounB1
/ˈdɪf.ɪ.kəl.ti/The state or quality of being hard to do, understand, or deal with.

Showing 3281–3300 of 7181 words.