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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)

diaspora
nounC1
/daɪˈæspərə/A large group of people who have moved away from their original homeland, either by force or choice, and live scattered across the world while often maintaining a connection to their original culture and identity.
diaspore
nounC1+
/ˈdaɪəspɔː/A unit of dispersal for seeds, spores, or other reproductive structures in plants and fungi.
diastalsis
nounVery Rare/Technical
/ˌdaɪəˈstælsɪs/A downward-moving wave of contraction in the intestines, distinct from peristalsis, where a constriction follows behind a relaxed section.
diastase
nounVery Low
/ˈdaɪəsteɪz/An enzyme, specifically an amylase, that breaks down starch into maltose.
diastasis
nounLow (C2)
/dʌɪˈastəsɪs/The separation, or abnormal gap, between parts of the body that are normally joined.
diastem
nounVery Low
/ˈdaɪəstem/A natural gap or space between two adjacent teeth in the same jaw.
diastema
nounLow
/ˌdʌɪəˈstiːmə/A gap or space between two teeth, especially the upper front incisors.
diaster
nounB1 (Intermediate)
/dɪˈzɑːstə(r)/A sudden event causing great damage, destruction, or distress.
diastereoisomer
nounC2
/ˌdaɪ.əˌster.i.əʊˈaɪ.sə.mə/A type of stereoisomer where molecules are not mirror images of each other and are not superimposable.
diastereomer
nounVery low
/ˌdaɪ.əˈstɛr.i.əʊ.mə/A stereoisomer that is not a mirror image of another stereoisomer of the same compound.
diastole
nounC2
/dʌɪˈastəli/The phase of the heartbeat when the heart muscle relaxes and the chambers fill with blood, following a contraction (systole).
diastrophism
nounRare/Specialized
/daɪˈæstrəfɪz(ə)m/The process of deformation of the Earth's crust which produces its continents, ocean basins, mountains, and other geological features.
diastyle
adjectivenounVery Low
/ˈdʌɪəstʌɪl/An architectural term describing a style of classical building where the columns are spaced three column diameters (or more) apart.
diasystem
nounC2
/ˈdaɪəˌsɪstəm/A linguistic construct that represents the overall system of a language, encompassing all its geographical, social, and situational variations.
diatessaron
nounExtremely Rare / Specialized
/ˌdaɪəˈtɛsərɒn/A harmony or synthesis of four different elements, especially the four Gospels.
diathermancy
nounVery Rare / Technical Term
/ˌdaɪ.əˈθɜː.mən.si/The property of allowing infrared (radiant heat) radiation to pass through a material.
diathermy
nounC2
/ˈdaɪəˌθɜːmi/A medical procedure that uses high-frequency electric currents to generate heat within body tissues.
diathesis
nounC2
/daɪˈæθɪsɪs/A biological constitutional predisposition or tendency toward a specific disease or condition.
diatom
nounC2
/ˈdaɪ.ə.təm/A microscopic single-celled alga that has a cell wall made of silica (glass).
diatomaceous earth
nounC1/C2
/ˌdaɪ.ə.təˌmeɪ.ʃəs ˈɜːθ/A fine, crumbly, pale sedimentary powder composed of the fossilised silica shells of microscopic aquatic algae called diatoms.

Showing 3041–3060 of 7181 words.