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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)

dextran
nounC2/Technical
/ˈdɛkstrən/A complex polysaccharide polymer composed of glucose molecules, primarily produced by certain bacteria.
dextranase
nounRare
/ˈdɛkstrəneɪz/An enzyme that breaks down dextran.
dextrin
nounLow
/ˈdɛkstrɪn/A soluble gummy substance, produced from starch by the action of heat, acids, or enzymes, used as a thickening agent and adhesive.
dextroamphetamine
nounLow
/ˌdɛkstrəʊamˈfɛtəmiːn/A potent central nervous system stimulant and amphetamine enantiomer, used medicinally for treating ADHD and narcolepsy, and known for its high abuse potential.
dextrocardia
nounVery low
/ˌdɛkstrəʊˈkɑːdɪə/A congenital condition where the heart is positioned on the right side of the chest instead of the left.
dextroglucose
nounVery Rare / Technical
/ˌdɛkstrəʊˈɡluːkəʊs/A monosaccharide sugar that is the main form of glucose found in nature, specifically the D-isomer that rotates plane-polarised light to the right.
dextromethorphan
nounTechnical/Medical
/ˌdɛkstrə(ʊ)ˈmɛθɔːfæn/An over-the-counter cough suppressant drug found in many cold and flu medications.
dextrorotation
nounC1
/ˌdɛkstrəʊrəʊˈteɪʃən/Rotation to the right or clockwise.
dextrose
nounB2
/ˈdekstrəʊz/A simple sugar (monosaccharide) that is an important energy source in living organisms; it is the form of glucose that rotates polarized light to the right (dextrorotatory).
dey
nounLow
/deɪ/An archaic or regional term for a Muslim ruler, particularly a title used in parts of North Africa.
dezhnev
nounExtremely Low
/ˈdɛʒnɛf/A proper noun, most commonly a surname or the name of a geographical location, specifically a cape in Russia. It does not have lexical meaning in the conventional sense.
dezincification
nounRare / Very Low Frequency
/diːˌzɪŋkɪfɪˈkeɪʃən/The selective removal of zinc from an alloy, especially brass.
deˈbouchment
nounVery Low
/dɪˈbaʊtʃmənt/The act or process of emerging from a narrow, confined space into a broader, open area; an outlet or mouth.
deˈclarer
nounB2
/dɪˈkleə.rər/In card games, especially bridge, the player whose bid wins the auction and plays the hand for their partnership, trying to win a specified number of tricks.
deˈletion
nounC1
/dɪˈliːʃ(ə)n/The act or process of removing or erasing something, especially text, data, or genetic material.
deˈmister
nounB1
/diːˈmɪstə(r)/A device, typically in a vehicle, that clears condensation or ice from a window.
deˈrangement
nounC1
/dɪˈreɪndʒmənt/A state of disorder, confusion, or mental instability; the act of disturbing the normal arrangement or functioning of something.
deˈvotional
adjectivenounC1
/dɪˈvəʊʃ(ə)n(ə)l/Relating to or used in religious worship or prayer; expressing or characterized by deep religious feeling.
deˌvaluˈation
nounC1
/ˌdiːvæljuˈeɪʃ(ə)n/A reduction in the official value of a country's currency relative to other currencies.
dhahran
nounLow (Geographic proper noun)
/dɑːˈrɑːn/A major city in the Eastern Province of Saudi Arabia, significant as a commercial and administrative center and home to the King Fahd University of Petroleum and Minerals.

Showing 2841–2860 of 7181 words.