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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)

direct-grant school
nounVery Low
/dɪˌrekt ˈɡrɑːnt skuːl/A type of British secondary school, now historical, that was partly funded by central government grants and charged fees, but also provided free places.
direct-mail shot
nounB2
/dɪˌrɛkt ˈmeɪl ʃɒt/A single, specific instance of unsolicited advertising or promotional material sent by post to a targeted list of potential customers.
direct-mailer
nounLow (C2)
/dɪˌrekt ˈmeɪlə(r)/A person or company that sends unsolicited advertising material, typically in the form of letters or brochures, directly to potential customers.
direct-vision prism
nounVery Low
/dɪˌrɛkt ˈvɪʒən ˈprɪzəm/A type of compound prism, typically made of three prisms, designed to deviate a beam of light by 180° while maintaining the original direction of the beam's path for an observer.
direct-vision spectroscope
nounRare
/dɪˈrɛkt ˈvɪʒən ˈspɛktrəskəʊp/An optical instrument designed to allow the user to view a light spectrum directly along the line of sight, typically using a combination of prisms or diffraction gratings.
directed angle
nounC2
/dɪˈrɛktɪd ˈæŋɡl̩/An angle considered with a specific orientation, from an initial side to a terminal side, where the direction of rotation (clockwise or anticlockwise/counterclockwise) matters.
directed verdict
nounLow
/dɪˈrɛktɪd ˈvɜːdɪkt/A ruling by a judge in a jury trial that decides the case in favour of one party, without requiring the jury's deliberation, because there is insufficient evidence for a reasonable jury to find for the other side.
directed-energy device
nounLow
/dɪˌrɛktɪd ˈɛnədʒi dɪˈvaɪs/A weapon or system that emits focused energy (e.g., lasers, microwaves, particle beams) to damage or disable a target at a distance.
direction
nounA1 (extremely high frequency)
/daɪˈrɛkʃ(ə)n, dɪˈrɛkʃ(ə)n/The line or course along which someone or something moves, points, or lies; also, authoritative instruction or guidance.
direction angle
nounLow (Technical)
/dɪˈrɛkʃən ˈæŋɡəl/The angle that a line, vector, or direction makes with a fixed reference direction (like north or a coordinate axis).
direction cosine
nounLow
/dɪˈrɛkʃən ˈkəʊsaɪn/In mathematics, the cosine of the angle between a given vector and a coordinate axis.
direction finder
nounMedium (C1-C2)
/daɪˈrɛkʃən ˌfaɪndə/A device or instrument used to determine the direction from which radio signals, sounds, or other sources are coming.
direction number
nounLow
/dɪˈrɛkʃən ˈnʌmbə/A numerical identifier assigned to a specific direction or orientation, often used in technical contexts such as navigation, mathematics, or telecommunications.
directional derivative
nounVery Low (Highly Specialized)
/daɪˈrɛk.ʃən.əl dɪˈɹɪ.və.tɪv/A measure of how a multivariable function changes as you move in a specific direction from a given point.
directional drilling
nounLow
/dɪˈrɛkʃ(ə)n(ə)l ˈdrɪlɪŋ/A technique for drilling non-vertical boreholes.
directional microphone
nounC1
/daɪˈrɛkʃənəl ˈmaɪkrəfəʊn/A microphone designed to pick up sound primarily from one specific direction while reducing noise from other directions.
directions
plural-nounB1
/dɪˈrɛkʃ(ə)nz/Instructions about how to get to a place or how to do something.
directive
adjectivenounC1
/daɪˈrɛktɪv/ /dɪˈrɛktɪv/An official instruction or order from an authority, telling someone what they must do.
directoire
adjectivenounLow
/dɪˌrɛkˈtwɑː/A French-style government by a committee or council, especially the Directory of 1795–1799.
director
nounHigh
/daɪˈrektə(r)/, /dɪˈrektə(r)/A person who is in charge of managing or guiding an organization, project, or specific creative work.

Showing 3781–3800 of 7181 words.