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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)

digitoxin
nounC2
/ˌdɪdʒɪˈtɒksɪn/A potent cardiac glycoside obtained from the foxglove plant (Digitalis), used medically to increase heart muscle contraction.
digitron
nounVery low
/ˈdɪdʒ.ɪ.trɒn/A proprietary name or historical term for a specific type of early electronic numerical display tube or display unit.
digitule
nounVery Low (Technical/Literary)
/ˈdɪdʒɪtjuːl/A small finger, toe, or finger-like structure; a diminutive or secondary digit.
diglossia
nounC2
/daɪˈɡlɒs.i.ə/A sociolinguistic situation where two distinct varieties of the same language are used in a community, each with separate, complementary functions (e.g., a formal 'high' variety and an informal 'low' variety).
diglot
adjectivenounRare/Very Low-Frequency
/ˈdʌɪɡlɒt/A person who is bilingual or a text written in two languages.
diglyceride
nounLow
/daɪˈɡlɪs.ə.raɪd/A type of lipid (fat) molecule consisting of a glycerol backbone with two fatty acid chains attached.
diglycolic acid
nounRare/Technical
/daɪˌɡlaɪˈkɒlɪk ˈasɪd/A crystalline dicarboxylic acid with the chemical formula C₄H₆O₅, derived from glycolic acid and used in organic synthesis and as a chemical intermediate.
dignify
verbverb-transitiveC1
/ˈdɪɡnɪfaɪ/To make something seem worthy, respectable, or impressive.
dignitary
nounC1
/ˈdɪɡ.nɪ.tər.i/A person who holds a high official position or rank, especially in government or a church, and is entitled to special respect.
dignity
nounB2
/ˈdɪɡnəti/The state or quality of being worthy of honour or respect.
digoxin
nounLow-frequency, Technical
/dɪˈdʒɒk.sɪn/A medication derived from the foxglove plant (Digitalis lanata), used to treat certain heart conditions, such as atrial fibrillation and heart failure, by increasing the strength of heart muscle contractions and slowing the heart rate.
digram
nounC1
/ˈdaɪ.ɡræm/A sequence of two letters that represents a single speech sound, such as "ph" for /f/ or "sh" for /ʃ/.
digraph
nounC1
/ˈdaɪ.ɡrɑːf/A pair of letters used together to represent a single sound, distinct from the sounds of the individual letters.
digress
verbverb-intransitiveC1
/daɪˈɡres/To leave the main subject temporarily in speech or writing.
digression
nounC1
/daɪˈɡreʃ.ən/A temporary departure from the main subject in speech or writing.
digs
plural-nounB1
/dɪɡz/A temporary place to live, especially rented accommodation; lodgings.
dihedral
adjectivenounC1/C2 (Advanced/Proficiency)
/daɪˈhiːdr(ə)l/An angle formed by two intersecting planes, especially in aircraft wings or geometric solids.
dihedral angle
nounC2
/daɪˈhiːdrəl ˈæŋɡ(ə)l/The angle formed by two intersecting planes.
dihedral group
nounC2
/daɪˈhiːdrəl ɡruːp/In mathematics, a group of symmetries for a regular polygon, including rotations and reflections.
dihedron
nounVery low (C2+)
/daɪˈhiːdrən/A three-dimensional shape formed by two planes meeting at an edge.

Showing 3401–3420 of 7181 words.