8-letter words containing a, r, i, d
- radium f — an isotope of polonium: polonium 210.
- radiuses — a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter.
- railbird — a horse-racing fan who watches races or workouts from the railing along the track.
- railcard — pre-paid pass for train travel
- railhead — the farthest point to which the rails of a railroad have been laid.
- railroad — a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail.
- raimondi — Marcantonio [mahr-kan-toh-nee-oh;; Italian mahr-kahn-taw-nyaw] /ˌmɑr kænˈtoʊ niˌoʊ;; Italian ˌmɑr kɑnˈtɔ nyɔ/ (Show IPA), c1480–c1534, Italian engraver.
- rainband — a dark band in the solar spectrum caused by water vapor in the atmosphere.
- rainbird — any of several birds, especially the black-billed cuckoo (Coccyzus erythropthalmus) and the yellow-billed cuckoo (C. americanus), that are said to call frequently before a rainstorm.
- raindate — an alternative date proposed in case of rain
- raindrop — a drop of rain.
- ram disk — (operating system, storage) A memory-resident program which mimics a hard disk drive. It uses part of computer's RAM to store data which can be accessed as files. Unlike a real disk drive, this drive forgets all stored data when the computer is turned off.
- ram-raid — A ram-raid is the crime of using a car to drive into and break a shop window in order to steal things from the shop.
- rancidly — in a rancid manner
- randwick — a city in E New South Wales, SE Australia, on Botany Bay and the Pacific Ocean: a suburb of Sydney.
- rapidcad — (processor) A specially packaged Intel 486DX and a dummy floating point unit (FPU) designed as pin-compatible replacements for an Intel 80386 processor and 80387 FPU. Since the DX variant has a working on-chip FPU, a dummy FPU package is supplied to go in the 387 FPU socket.
- rapidity — a rapid state or quality; quickness; celerity.
- rapiered — wearing or carrying a rapier
- rarefied — extremely high or elevated; lofty; exalted: the rarefied atmosphere of a scholarly symposium.
- raticide — a substance or preparation for killing rats.
- ratified — to confirm by expressing consent, approval, or formal sanction: to ratify a constitutional amendment.
- rationed — a fixed allowance of provisions or food, especially for soldiers or sailors or for civilians during a shortage: a daily ration of meat and bread.
- re-admit — to allow to enter; grant or afford entrance to: to admit a student to college.
- re-audit — an official examination and verification of accounts and records, especially of financial accounts.
- readdict — to cause (a person) to become addicted to something again
- readings — Rufus Daniel Isaacs, 1st Marquis of, 1860–1935, Lord Chief Justice of England 1913–21; viceroy of India 1921–26.
- readvise — to give counsel to; offer an opinion or suggestion as worth following: I advise you to be cautious.
- readying — completely prepared or in fit condition for immediate action or use: troops ready for battle; Dinner is ready.
- realised — to grasp or understand clearly.
- realized — to grasp or understand clearly.
- reginald — a male given name: from an Old English word meaning “counsel and rule.”.
- reinvade — to enter (a country, territory, etc) by military force again
- remained — to continue in the same state; continue to be as specified: to remain at peace.
- remedial — affording remedy; tending to remedy something.
- rendzina — a dark, rich soil containing limestone or chalk, above a softer, pale, calcareous layer, developed in grassland areas of high to moderate humidity.
- reordain — to ordain again
- repaired — to restore to a good or sound condition after decay or damage; mend: to repair a motor.
- residual — pertaining to or constituting a residue or remainder; remaining; leftover.
- retained — to keep possession of.
- rfid tag — RFID tags are barcodes that make use of radio waves to send information tracking individual products at every stage, from delivery to stockroom to checkout, in a networked system.
- rhabdoid — a rod-shaped structure found in the cells of some plants and animals
- rhodanic — of or relating to thiocyanic acid
- rhodesia — (as Southern Rhodesia, ) a former British colony in S Africa: declared independence 1965; name changed to Zimbabwe, 1979.
- ribaldry — ribald character, as of language; scurrility.
- richards — a male given name.
- richland — a city in SE Washington, on the Columbia River: residential and administrative quarters for the Hanford Works. Compare Hanford (def 2).
- rickyard — a place where haystacks or ricks are put
- riddance — the act or fact of clearing away or out, as anything undesirable.
- rideable — capable of being ridden, as a horse.
- ridgeway — a road or track along a ridge, esp one of great antiquity