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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)

rheumatism
nounB2
/ˈruː.mə.tɪ.zəm/A general, non-specific medical term for pain, stiffness, and swelling in the muscles, joints, and surrounding tissues.
rheumatism-root
nounVery low / Obsolete
/ˈruː.mə.tɪ.zəm ˌruːt/A historical or folk name for the herb Collinsonia canadensis, used traditionally to treat rheumatism.
rheumatoid arthritis
nounC1
/ˈruː.mə.tɔɪd ɑːˈθraɪ.tɪs/A chronic autoimmune disease causing inflammation, pain, stiffness, and swelling in joints, often leading to deformity and disability.
rheumatoid factor
nounLow
/ˈruːmətɔɪd ˈfæktə/An antibody (a type of protein) found in the blood that attacks the body's own tissues. Its presence is a key marker used in the diagnosis and monitoring of certain autoimmune diseases, particularly rheumatoid arthritis.
rheumatoid spondylitis
nounLow
/ˈruː.mə.tɔɪd ˌspɒn.dɪˈlaɪ.tɪs/A chronic, autoimmune inflammatory disease primarily affecting the spine and sacroiliac joints, characterized by pain, stiffness, and eventual fusion of vertebrae.
rheumatologist
nounC1-C2
/ˌruː.məˈtɒl.ə.dʒɪst/A medical doctor who specialises in diagnosing and treating rheumatic diseases, which affect the joints, muscles, bones, and sometimes internal organs.
rheumatology
nounLow
/ˌruː.məˈtɒl.ə.dʒi/A branch of medicine focused on the study, diagnosis, and treatment of rheumatic diseases.
rhexis
nounC1/C2
/ˈrɛksɪs/A rupture, tearing, or splitting of an anatomical vessel, membrane, or organ.
rheydt
nounExtremely low
/ʁaɪt/ (Approximation; original German: [ʁaɪt])A proper noun referring to a district of the city Mönchengladbach in western Germany.
rhiannon
nounVery Low (as a common noun)
/riˈænən/A Welsh female given name, associated with a major mythological goddess of fertility, the moon, and horses.
rhigolene
nounRare / Obsolete
/ˈrɪɡəliːn/A volatile, low-boiling liquid once used as a local anaesthetic in medicine.
rhine
nounLow
/raɪn/A water channel or ditch, particularly one found in marshy or reclaimed land.
rhine palatinate
nounLow
/ˌraɪn pəˈlætɪneɪt/A historical and geographical region in western Germany, formerly a state within the Holy Roman Empire, now part of the state of Rhineland-Palatinate.
rhine province
nounVery Low (C2/Technical)
/ˌraɪn ˈprɒvɪns/A historical province of the Kingdom of Prussia, later a province of the Free State of Prussia, which existed from 1822 to 1946. It was located in western Germany along the Rhine River.
rhine wine
nounC2
/ˈraɪn waɪn/A white wine, typically light and dry or slightly sweet, produced in the Rhine Valley region of Germany.
rhinegrave breeches
plural-nounVery rare
/ˈraɪnɡreɪv ˈbriːtʃɪz/A historical style of knee-length trousers associated with German nobility, specifically Rhinegraves.
rhineland
nounLow
/ˈrʌɪnland/The region of western Germany along the Rhine River.
rhineland-palatinate
nounLow in everyday conversation; medium in geographical, political, or academic contexts.
/ˌraɪnlænd pəˈlætɪnət/A state in southwestern Germany, formed from the historic regions of Rhineland and Palatinate.
rhinencephalon
nounC2
/ˌrʌɪnɛnˈsɛf(ə)lɒn, -ˈkɛf-/The part of the brain associated primarily with the sense of smell.
rhinestone
nounLow-medium
/ˈrʌɪnstəʊn/A small, artificial gemstone made of glass or acrylic that is cut and polished to imitate a diamond.

Showing 3501–3520 of 5802 words.