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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)

dime
nounB2
/daɪm/A coin of the United States and Canada, worth ten cents; one-tenth of a dollar.
dime bag
nounLow
/ˈdaɪm ˌbæɡ/A small packet of an illicit drug, originally sold for ten US cents (a dime).
dime novel
nounLow
/ˈdaɪm ˌnɒv.əl/A cheap, sensational paperback book popular in the late 19th and early 20th centuries in the United States.
dime store
nounC2
/ˈdʌɪm stɔː/A small retail store selling a wide variety of inexpensive goods, originally where items cost five or ten cents.
dimenhydrinate
nounRare
/ˌdʌɪmɛnˈhʌɪdrɪneɪt/A pharmaceutical drug used to prevent and treat motion sickness, nausea, and dizziness. It is an antihistamine with antiemetic properties.
dimension
nounverbverb-transitiveC1
/dɪˈmen.ʃən/A measurable extent of a particular kind, such as length, breadth, depth, or height. In mathematics: a mode of linear measurement in which figures exist.
dimension lumber
nounLow
/dɪˈmen.ʃən ˈlʌm.bər/Sawn wood that has been planed to specific, standardized widths and thicknesses, ready for use in construction and carpentry.
dimension stone
nounC2 (Very Low Frequency - Specialist Technical Term)
/dɪˈmɛnʃ(ə)n stəʊn/Natural stone that has been selected, cut, and finished to specific sizes and shapes for use in construction or architectural applications.
dimensional analysis
nounLow
/daɪˌmen.ʃən.əl əˈnæl.ə.sɪs/A method in mathematics and physics for checking the consistency of equations and solving problems by analyzing physical quantities in terms of their base dimensions (e.g., mass, length, time).
dimer
nounLow
/ˈdaɪ.mər/A molecule or compound formed by the combination of two identical smaller molecules (monomers).
dimercaprol
nounC2
/ˌdaɪ.məˈkæp.rɒl/A chelating agent used as an antidote for poisoning by arsenic, gold, mercury, and other heavy metals.
dimerize
verbverb-ambitransitiveC2
/ˈdaɪməraɪz/To combine two identical or similar molecules (monomers) to form a dimer.
dimeter
nounRare/Low
/ˈdɪmɪtə/A line of verse consisting of two metrical feet.
dimethoate
nounVery Low
/daɪˈmɛθəʊeɪt/A systemic organophosphate insecticide and acaricide used in agriculture to control pests by inhibiting cholinesterase.
dimethoxymethane
nounExtremely Low
/ˌdaɪ.mɛˌθɒk.siˈmiː.θeɪn/A colourless, flammable liquid organic compound with the chemical formula CH3OCH2OCH3, used primarily as a solvent.
dimethyl
nounC2
/ˌdaɪˈmeθɪl/A chemical compound containing two methyl groups (-CH3) attached to another atom or molecule.
dimethyl sulfate
nounC2
/ˌdaɪˌmɛθəl ˈsʌlfeɪt/A highly toxic, corrosive chemical compound (C2H6O4S) used primarily as a methylating agent in organic synthesis.
dimethyl sulfoxide
nounC1/C2
/daɪˌmiːθaɪl sʌlˈfɒksaɪd/A colorless, hygroscopic liquid solvent with the chemical formula (CH₃)₂SO, notable for its ability to dissolve both polar and nonpolar compounds and for its medical applications.
dimethylanthranilate
nounVery Low
/ˌdaɪˌmeθɪlænˈθrænɪleɪt/A chemical compound used as a fragrance and flavoring agent, specifically an ester derived from anthranilic acid with two methyl groups.
dimethylbenzene
nounVery Low (Specialist Technical)
/ˌdʌɪˌmɛθʌɪlˈbɛnziːn/, /ˌdʌɪˌmɛθɪlˈbɛnziːn/An aromatic hydrocarbon consisting of a benzene ring with two methyl groups attached.

Showing 3481–3500 of 7181 words.