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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)

diammonium phosphate
nounC2
/ˌdaɪ.əˈməʊ.ni.əm ˈfɒs.feɪt/A water-soluble ammonium phosphate salt with the chemical formula (NH₄)₂HPO₄, used primarily as a fertilizer and food additive.
diamond
adjectivenounverb+1B1
/ˈdaɪəmənd/A precious, extremely hard, clear stone made of pure carbon, typically used in jewellery; also a shape with four equal straight sides arranged as two acute and two obtuse angles.
diamond anniversary
nounLow
/ˈdaɪəmənd ˌænɪˈvɜːs(ə)ri/The 60th anniversary of a significant event, traditionally a marriage.
diamond bar
nounLow (geographic proper noun, not a common lexical item)
/ˌdaɪ.mənd ˈbɑː/A proper noun referring to a specific city in Los Angeles County, California, USA.
diamond bird
nounVery low
/ˈdaɪəmənd bɜːd/A common name for the diamond firetail (Stagonopleura guttata), a small, seed-eating Australian finch with striking black and white plumage and red markings, resembling a diamond pattern.
diamond drill
nounC1
/ˈdaɪəmənd drɪl/A drill with a cutting tip made of diamond or diamond-impregnated material, used for drilling into extremely hard substances like rock, concrete, or glass.
diamond dust
nounLow (C2)
/ˈdaɪəmənd dʌst/A meteorological phenomenon where tiny ice crystals float in the air, sparkling in sunlight like fine dust.
diamond head
nounLow
/ˌdaɪəmənd ˈhɛd/A proper noun referring to a famous volcanic cone and landmark on the island of Oahu, Hawaii.
diamond jubilee
nounB2-C1
/ˌdaɪəmənd ˈdʒuːbɪliː/The celebration of a 60th anniversary, most famously of a monarch's reign.
diamond lane
nounIntermediate (B2-C1)
/ˈdaɪəmənd leɪn/A designated lane on a roadway, often marked with a diamond symbol, reserved for specific types of vehicles like buses or high-occupancy vehicles.
diamond point
nounLow
/ˈdaɪ.mənd pɔɪnt/A point or tip made of diamond (or a very hard material), used for cutting, engraving, or as a tool component.
diamond ring effect
nounVery Low
/ˈdaɪəmənd rɪŋ ɪˌfekt/The brief, brilliant flash resembling a diamond ring seen just before or just after the total phase of a solar eclipse, caused by the last (or first) rays of sunlight shining through valleys on the moon's limb.
diamond skin disease
nounC1 (Specialized/Very Low Frequency)
/ˈdaɪəmənd skɪn dɪˌziːz/A common term for Swine Erysipelas, a bacterial infection in pigs caused by Erysipelothrix rhusiopathiae, characterized by diamond-shaped skin lesions.
diamond snake
nounLow
/ˈdaɪ.mənd sneɪk/A harmless, non-venomous Australian snake species (Morelia spilota spilota) characterized by diamond-shaped markings along its back.
diamond state
nounC2/Rare/Geographic Nickname
/ˈdaɪəmənd steɪt/A nickname for the U.S. state of Delaware.
diamond wedding
nounLow
/ˈdaɪəmənd ˈwɛdɪŋ/The sixtieth anniversary of a wedding.
diamond willow
nounLow
/ˈdaɪəmənd ˈwɪləʊ/A type of willow tree (genus Salix) affected by a fungus that causes distinctive, diamond-shaped depressions and patterns on its wood.
diamond-leaf laurel
nounVery Low
/ˈdaɪəmənd liːf ˈlɒrəl/A common name for specific shrubs or small trees, most notably *Daphne laureola*, characterized by glossy, diamond-shaped leaves resembling those of a laurel.
diamond-point spoon
nounVery Low
/ˈdaɪəmənd pɔɪnt spuːn/A type of spoon, typically of historical or collectible interest, featuring a decorative handle where the end is cut into a faceted, diamond-like point.
diamondback
adjectivenounLow
/ˈdʌɪəməndbak/A type of venomous rattlesnake or large sea turtle with a diamond-shaped pattern on its shell or back.

Showing 2981–3000 of 7181 words.