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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)

dibucaine
nounLow
/ˈdaɪ.bjʊ.keɪn/A potent local anesthetic drug used for surface anesthesia, often in the form of an ointment or cream.
dibutyl phthalate
nounC2 - Technical/Scientific
/ˌdaɪˌbjuːtɪl ˈθæleɪt/A synthetic chemical compound used primarily as a plasticizer, specifically to make plastics more flexible and resilient.
dicalcium silicate
nounRare
/daɪˌkalsɪəm ˈsɪlɪkeɪt/A chemical compound of calcium oxide, silicon dioxide, and water, with the general formula Ca₂SiO₄, a principal component of Portland cement.
dicaprio
nounC2
/dɪˈkæp.ri.əʊ/A proper noun referring to the surname of the acclaimed American actor Leonardo DiCaprio. It is primarily used to refer to him or his distinctive acting style and public persona.
dicarboxylic acid
nounLow
/daɪˌkɑːbɒkˈsɪlɪk ˈæsɪd/An organic compound containing two carboxyl functional groups (–COOH).
dicast
nounVery Rare
/ˈdaɪkæst/A judge or juror in ancient Athens, who voted in public cases.
dicastery
nounC2
/dɪˈkæstəri/A department or administrative division of the Roman Curia, the central governing body of the Catholic Church.
dice
plural-nounverbverb-intransitive+1B1
/daɪs/Small cube with numbered sides used for games of chance, or to cut food into small cubes.
dice cup
nounC1
/ˈdaɪs ˌkʌp/A small container, often cylindrical with a weighted bottom, used to shake and randomise dice before casting them onto a surface for games of chance or board games.
dicentra
nounRare
/daɪˈsɛntrə/A genus of flowering plants, commonly known as bleeding heart.
dichasium
nounC2 / Extremely Low Frequency / Specialized Technical
/daɪˈkeɪzɪəm/A botanical term for a cymose inflorescence where the main axis terminates in a flower and produces two lateral branches that also terminate in flowers, creating a symmetrical, forked pattern.
dichlobenil
nounVery Low (Technical/Specialist)
/ˌdaɪkləʊˈbɛnɪl/A selective pre-emergence herbicide used to control certain annual and perennial weeds by inhibiting root growth, primarily in non-crop areas like industrial sites.
dichloride
nounLow
/daɪˈklɔːraɪd/A chemical compound containing two chlorine atoms per molecule.
dichlorobenzene
nounC2
/ˌdaɪˌklɔːrəʊˈbenziːn/A benzene ring with two chlorine atoms substituted for hydrogen atoms.
dichlorodiethyl sulfide
nounVery Low
/daɪˌklɔːrəʊdaɪˌiːθaɪl ˈsʌlfaɪd/A chemical compound, specifically a sulfur mustard, known as a blister agent or chemical weapon.
dichlorodifluoromethane
nounC2
/ˌdaɪˌklɔːrəʊˌdaɪˌflʊərəʊˈmiːθeɪn/A non-flammable chlorofluorocarbon (CFC) compound used as a refrigerant and aerosol propellant, with chemical formula CCl2F2.
dichlorodiphenyltrichloroethane
nounLow
/ˌdʌɪˌklɔːrəʊˌdʌɪˌfiːnʌɪlˌtrʌɪˌklɔːrəʊˈɛθeɪn/A synthetic chemical compound used as an insecticide.
dichloroethane
nounlow
/daɪˌklɔːrəʊˈiːθeɪn/A chlorinated hydrocarbon chemical compound with the formula C2H4Cl2, commonly used as a solvent or intermediate in chemical synthesis.
dichloroethyl formal
nounC2
/daɪˌklɔːrəʊˈɛθɪl ˈfɔːmæl/A specific chemical compound, specifically a formal derivative of dichloroethanol, used as a chemical intermediate, solvent, or in organic synthesis.
dichloromethane
nounVery Low
/ˌdaɪˌklɔːrəʊˈmiːθeɪn/A volatile, colourless organic chemical compound with the formula CH₂Cl₂, used primarily as a solvent.

Showing 3101–3120 of 7181 words.