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English Words Starting With R

5,802 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

rhizosphere
nounC2/Highly Specialized
/ˈraɪzəʊˌsfɪə/The narrow region of soil that is directly influenced by root secretions and associated soil microorganisms.
rhizotomy
nounVery low
/ˌraɪˈzɒtəmi/A surgical procedure involving the cutting or destruction of a nerve root, typically to relieve pain or reduce muscle spasticity.
rho
nounLow
/rəʊ/The 17th letter of the Greek alphabet (Ρ, ρ), equivalent to English 'R'.
rhoda
nounVery Low (as a common noun or standard term), Medium (as a personal name).
/ˈrəʊdə/A proper noun, typically a female given name of Greek origin, meaning 'rose'.
rhodamine
nounC1
/ˈrəʊdəmiːn/A synthetic red dye or fluorescent pigment used in industrial and biological applications.
rhode island
nounC2
/ˌrəʊd ˈaɪlənd/The smallest state in the United States, located in the New England region.
rhode island bent
nounLow
/ˌrəʊd ˈaɪlənd bent/A cultivar of creeping bentgrass (Agrostis stolonifera) used primarily for fine turf on golf course putting greens.
rhode island red
nounC1/C2
/ˌrəʊd ˌaɪ.lənd ˈred/A breed of domestic chicken originating from Rhode Island, USA, known for its reddish-brown feathers, hardiness, and high egg production of brown eggs.
rhode island white
nounLow
/ˌrəʊd ˈaɪlənd ˈwaɪt/A breed of medium-sized chicken originating in the United States.
rhodes
nounLow
/rəʊdz/A Greek island in the Aegean Sea, part of the Dodecanese archipelago.
rhodes grass
nounLow (specialist/technical vocabulary)
/ˌrəʊdz ˈɡrɑːs/A perennial tropical grass species (scientific name: Chloris gayana), valued for pasture and hay in warm climates.
rhodes scholarship
nounC2
/ˈrəʊdz ˌskɒləʃɪp/A prestigious international postgraduate award for study at the University of Oxford, established by the will of Cecil John Rhodes.
rhodesia
nounLow
/rəʊˈdiːʒə/The former name of a British colony in southern Africa, now divided into Zambia and Zimbabwe.
rhodesian front
nounvery low frequency
/rəʊˈdiːziən frʌnt/A political party that governed Rhodesia (now Zimbabwe) from 1965 to 1979 during its period of Unilateral Declaration of Independence.
rhodesian man
nounVery Low
/rəʊˈdiːʒən mæn/An archaic anthropological term for a proposed subspecies of early Homo sapiens, based on a fossil skull found in 1921 in what was then Northern Rhodesia (now Zambia). It is now considered part of the species Homo heidelbergensis or archaic Homo sapiens.
rhodesian ridgeback
nounLow-frequency
/rəʊˌdiːʒən ˈrɪdʒbæk/A large dog breed, originally from southern Africa, characterized by a distinctive ridge of hair along its back that grows in the opposite direction to the rest of the coat.
rhodian
adjectivenounRare
/ˈrəʊ.di.ən/Of or relating to the Greek island of Rhodes.
rhodinal
nounVery Low (Technical)
/ˈrəʊdɪnæl/A key aromatic chemical compound (an aldehyde), primarily responsible for the characteristic scent of roses.
rhodium
nounLow
/ˈrəʊdiəm/A chemical element (symbol Rh, atomic number 45), a rare, silvery-white, hard, corrosion-resistant transition metal.
rhodochrosite
nounLow
/ˌrəʊdəʊˈkrəʊsaɪt/A mineral composed of manganese carbonate, typically pink to red in color.

Showing 3541–3560 of 5802 words.