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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)

recruiter
nounC1
/rɪˈkruːtə(r)/A person whose job is to find and employ suitable people for jobs within an organization.
recruitment
nounC1
/rɪˈkruːt.mənt/The process of finding and hiring new people to join an organisation, company, or group.
recrystallize
verbverb-intransitiveverb-transitiveC2
/ˌriːˈkrɪs.tə.laɪz/To form crystals again, especially from a solution or molten state, often to purify a substance or change its physical structure.
recta
nounC2
/ˈrɛk.tə/The plural form of 'rectum', the final section of the large intestine.
rectangle
nounB1
/ˈrek.tæŋ.ɡəl/A plane shape with four straight sides and four right angles, especially one with adjacent sides of unequal length.
rectangular coordinate
nounC2
/rɛkˈtæŋɡjələ kəʊˈɔːdɪnət/A point in a plane identified by its distances (x, y) from two perpendicular intersecting lines (axes).
rectangular coordinates
plural-nounC1
/rɛkˈtæŋɡjʊlə kəʊˈɔːdɪnəts/A system of specifying a point's location on a plane using two numbers representing distances from two perpendicular, intersecting reference lines (axes).
rectangular hyperbola
nounC2 (Proficiency)
/rɛkˈtæŋɡjʊlə haɪˈpɜːbələ/A hyperbola whose asymptotes are perpendicular to each other. In its simplest form, it is represented by the equation xy = c, where c is a constant.
rectenna
nounC2
/rɛkˈtɛnə/A specialized antenna designed to convert electromagnetic energy, particularly microwaves or sunlight, directly into electrical current.
recti
nounC2
/ˈrɛktaɪ/plural form of rectus, referring to paired straight muscles in anatomy, most notably the rectus abdominis
rectification
nounC1
/ˌrɛktɪfɪˈkeɪʃən/The act of making something right; the process of correcting, amending, or adjusting something to meet a standard or fix an error.
rectified
adjectiveverbC1
/ˈrɛktɪfaɪd/to correct or make right; to put something into proper order or condition.
rectified spirit
nounC2
/ˌrɛktɪfaɪd ˈspɪrɪt/Highly concentrated, purified ethanol produced by repeated distillation, typically exceeding 95% alcohol by volume.
rectifier
nounC1
/ˈrɛk.tɪ.faɪ.ər/A device that converts alternating current (AC) into direct current (DC).
rectify
verbverb-transitiveC1
/ˈrɛktɪfaɪ/To correct or make right something that is wrong, mistaken, or in error; to put something into a proper or desired state.
rectitude
nounLow Frequency (Academic/Formal Register)
/ˈrek.tɪ.tʃuːd/Morally correct behaviour, thinking, or character; righteousness.
recto
nounC2
/ˈrɛktəʊ/The right-hand page of an open book, or the front side of a leaf of paper.
rectocele
nounVery Low
/ˈrɛktə(ʊ)siːl/A medical condition where the rectum protrudes into the vagina.
rector
nounC1
/ˈrektə(r)/A person who is in charge of an educational or religious institution, such as a school, university, or parish.
rectorate
nounC2
/ˈrektərət/The office, position, or term of office of a rector.

Showing 1541–1560 of 5802 words.