11-letter words starting with ri
- ring magnet — a ring-shaped permanent magnet.
- ring nebula — a planetary nebula in the constellation Lyra that has a ringlike appearance surrounding its central star.
- ring-a-ding — wildly exciting
- ring-necked — having a ring of distinctive color around the neck.
- ring-porous — having annual rings marked by a conspicuous band of large pores in wood formed in spring.
- ring-tailed — having the tail ringed with alternating colors, as a raccoon.
- ringed seal — an Arctic seal, Phoca hispida, having irregular, pale, ring-shaped markings around its body.
- ringstraked — ring-streaked.
- rinthereout — a vagrant or homeless person
- riomaggiore — a group of five coastal villages (Monterosso al Mare, Vernazza, Corniglia, Manarola, and Riomaggiore) on the Ligurian Sea in NW Italy, near La Spezia.
- rion strait — Lepanto (def 3).
- riot police — police armed against public disorder
- riot shield — Riot shields are pieces of equipment made of transparent plastic which are used by the police to protect themselves against angry crowds.
- rip current — undertow (def 1).
- rip-roaring — boisterously wild and exciting; riotous: Have a rip-roaring good time.
- ripple mark — one of the wavy lines or ridges produced, especially on sand, by the action of waves, wind, or the like.
- ripple-tank — a shallow container of water in which waves are produced by vibrating an object in the water, used to observe or demonstrate wave phenomena.
- ripplegrass — English plantain.
- rising damp — moisture problem affecting walls
- rising sign — the sign of the zodiac on the eastern horizon at any given moment; ascendant.
- rising star — up-and-coming performer
- rising trot — a horse's trot in which the rider rises from the saddle every second beat
- risk factor — a condition, behavior, or other factor that increases risk: Smoking is a major risk factor for cancer; depression as a risk factor in suicide.
- risk-averse — reluctant to take risks; tending to avoid risks as much as possible: risk-averse entrepreneurs.
- risk-taking — courting danger or loss
- ritual bath — a mikvah.
- ritualistic — adherence to or insistence on ritual.
- river basin — the area of land drained by a river and its branches.
- river birch — a tree, Betula nigra, of the eastern U.S., having papery, reddish-brown bark that peels away.
- river grove — a town in NE Illinois.
- river horse — a hippopotamus.
- river otter — a North American otter, Lutra canadensis, with brown and silver fur, native to streams and lakes in the U.S. and Canada.
- river rouge — a city in SE Michigan, near Detroit.
- river-mouth — an estuary
- riverworthy — (of a boat) able to cross or sail a river safely
- rivet joint — a join made by use of rivets