English Words Starting With R

• robusta

  nounC1
  /rə(ʊ)ˈbʌstə/A species of coffee bean (Coffea canephora) known for its strong, often bitter flavor and higher caffeine content compared to Arabica beans.
• robusta coffee

  nounLow-Medium (specialised vocabulary)
  /rəʊˈbʌstə ˈkɒfi/A type of coffee bean from the Coffea canephora plant, known for its strong, bitter flavor and high caffeine content.
• robustness

  nounC1
  /rəʊˈbʌst.nəs/The quality or state of being strong, healthy, and able to withstand difficult conditions or stress.
• roc

  abbreviationnounVery Low
  /rɒk/A mythical bird of enormous size and strength, appearing in Middle Eastern and Asian legends.
• roca

  nounB2
  /ˈrɒk.ə/Large mass of stone or solid mineral material; a rock.
• rocaille

  nounC2/Rare
  /rɒˈkaɪ/1. A style of ornamentation, especially in 18th-century Europe, consisting of elaborate rockwork, shell motifs, and scroll-like forms. 2. Pebbles, rubble, or small stones.
• rocambole

  nounRare
  /ˈrɒk.əm.bəʊl/A perennial plant of the onion family, Allium scorodoprasum, used as a culinary herb similar to garlic.
• rocard

  nounC2 - Very Low Frequency (highly region-specific, niche political slang)
  /ˈrɒk.ɑːd/A Belgian slang term, often derogatory, referring to a member of the Parti Socialiste (PS), particularly associated with long-standing, establishment figures or a perceived political old guard.
• rochambeau

  nounLow (Specialized/Playful)
  /ˈrɒʃ.əm.bəʊ/A gesture game for making a decision between two or more parties, where each simultaneously forms one of three shapes with their hand: rock (a fist), paper (a flat hand), or scissors (a V-shape with the index and middle fingers). The winner is determined by a specific hierarchy: rock breaks scissors, scissors cuts paper, paper covers rock.
• rochdale

  nounC1
  /ˈrɒtʃ.deɪl/A town in Greater Manchester, England.
• roche alum

  nounRare (C2+)
  /ˈrɒʃ ˈæləm/A specific type of alum, a double sulfate salt of aluminum, found as a natural mineral and traditionally used in medicine, dyeing, and tanning.
• roche limit

  nounVery Low
  /ˈrɒʃ ˌlɪmɪt/The minimum distance at which a celestial body, held together only by its own gravity, can approach a larger body without being torn apart by tidal forces.
• roche moutonnee

  nounVery low
  /ˌrɒʃ ˌmuːtɒˈneɪ/A geological landform: a rock hill, knob, or ridge that has been shaped by the movement of a glacier, giving it a characteristic asymmetrical shape with a smooth, sloping side (stoss side) facing the direction from which the ice advanced, and a steep, rough side (lee side) where the ice plucked away rock fragments as it flowed over.
• rochelle

  nounLow
  /rəʊˈʃɛl/A proper noun, most commonly a female given name of French origin, also referring to a French city and various derived terms.
• rochelle powder

  nounRare/Technical
  /rəʊˈʃɛl ˌpaʊdə/A medicinal compound, specifically potassium sodium tartrate, used historically as a laxative or purgative.
• rochelle powders

  nounC2 (Very Rare / Archaic)
  /rəʊˌʃɛl ˈpaʊdəz/A medicinal compound, specifically a form of tartaric acid salts (potassium sodium tartrate) used historically as a mild laxative or effervescent health powder.
• rochelle salt

  nounC2 (technical/scientific term)
  /rəʊˌʃɛl ˈsɔːlt/A chemical compound, potassium sodium tartrate tetrahydrate, a colourless crystalline solid.
• rochester

  nounC2
  /ˈrɒtʃɪstə/The name of a city in the county of Kent, England, or a city in the state of New York, USA.
• rochet

  nounVery low
  /ˈrɒtʃɪt/A white linen vestment resembling a surplice, worn by bishops and abbots in Christian liturgical contexts.
• rock

  nounA1
  /rɒk/A large, solid mineral mass; a hard, natural material forming cliffs and mountains.

Showing 4321–4340 of 5802 words.