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English Words Starting With R

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

regenerate
adjectiveverbverb-intransitive+1C1
/rɪˈdʒɛnəreɪt/To grow or form again; to be spiritually or morally reborn; to give new life or energy to something.
regeneration
nounC1
/rɪˌdʒɛnəˈreɪʃ(ə)n/The process of growing again or being restored after damage or loss.
regenerative braking
nounLow
/rɪˌdʒenərətɪv ˈbreɪkɪŋ/A braking system in electric or hybrid vehicles where the electric motor runs in reverse to slow the vehicle, converting its kinetic energy back into electrical energy to recharge the battery.
regenerative cooling
nounC2 (Very Low Frequency, Highly Specialized)
/rɪˌdʒɛnərətɪv ˈkuːlɪŋ/A cooling system in which a coolant, often a fuel, first circulates through channels around a hot component (like a rocket engine nozzle) to absorb heat, and is then used as the heated propellant for combustion.
regenerative furnace
nounLow
/rɪˈdʒɛnərətɪv ˈfɜːnɪs/An industrial furnace with a system for recovering heat from exhaust gases to preheat the incoming air or fuel, significantly improving thermal efficiency.
regenerator
nounC2
/rɪˈdʒɛnəreɪtə/A device or system that restores something to its original or improved state, especially by recovering and reusing energy or materials.
regensburg
nounLow
/ˈreɪɡənzbɜːɡ/A city in Bavaria, Germany, located at the confluence of the Danube, Naab, and Regen rivers.
regent
adjectivenounC1
/ˈriːdʒənt/A person appointed to govern a state because the monarch is a minor, absent, or incapacitated.
regent bowerbird
nounVery Low
/ˈriːdʒ(ə)nt ˈbaʊəbɜːd/A species of bowerbird (Sericulus chrysocephalus), native to eastern Australia, where the male is strikingly coloured with black and gold plumage.
regent honeyeater
nounVery low (C2+)
/ˈriːdʒənt ˈhʌniˌiːtə/A medium-sized, critically endangered songbird (Anthochaera phrygia) native to southeastern Australia, known for its black and yellow plumage and nectar-feeding habits.
regent's park
nounC2
/ˈriː.dʒənts ˈpɑːk/A major and historic royal park in central London, named after the Prince Regent (later George IV).
reger
nounVery Low (Rare/Archaic)
/riːˈdʒəː/To govern or rule again; to return to a position of power.
reggae
nounB1
/ˈrɛɡeɪ/A style of popular music originating in Jamaica, characterized by a strong syncopated rhythm, offbeat accents, and often lyrics with social or political themes.
reggaeton
nounmedium
/ˌrɛɡeɪˈtɒn/A style of popular music originating in Latin America (especially Puerto Rico) in the late 1990s, blending Jamaican dancehall rhythms with Latin American genres like salsa and bomba, featuring Spanish-language rapping and singing.
reggio calabria
nounLow
/ˌrɛdʒɪəʊ kəˈlæbriə/A major city in southern Italy, the capital of the Metropolitan City of Reggio Calabria and the largest city in the Calabria region.
reggio di calabria
nounLow
/ˌrɛdʒəʊ diː kəˈlæbriə/A city located at the southern tip of the Italian peninsula in the Calabria region, serving as its provincial capital.
reggio emilia
nounLow (outside of educational contexts)
/ˌrɛdʒiəʊ eɪˈmiːliə/A city in northern Italy, known for its historical architecture, gastronomy, and manufacturing industries.
reggio nell'emilia
nounLow
/ˌrɛdʒɪəʊ nɛl ɛˈmiːlɪə/A city in northern Italy, capital of the province of Reggio Emilia in the Emilia-Romagna region.
reggy
nounLow
/ˈrɛdʒi/An informal, chiefly British, nickname or diminutive form of the given name 'Reginald' or 'Reggie', often used affectionately.
regicide
nounC2
/ˈrɛdʒ.ɪ.saɪd/The killing of a king.

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