15-letter words containing t, o, h, r
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radioautography — autoradiography.
- radiophotograph — a photograph or other image transmitted by radio.
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- ramrod straight — having a very straight figure
- raw-pack method — cold pack (def 2).
- reauthorization — the act or process of reauthorizing something
- relative to sth — Relative to something means with reference to it or in comparison with it.
- religious right — US right-wing Christian movement
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- reported speech — indirect quotation
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- retirement home — care facility for elderly people
- reverend mother — a title of respect or form of address for the Mother Superior of a convent
- rhesus positive — relating to blood containing Rhesus antigen D
- rheumatism-root — spotted wintergreen.
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.
- right to choose — the right of a woman to have a legal abortion if she chooses to do so.
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- right-of-center — holding conservative views in politics; right-wing.
- right-of-centre — You can describe a person or political party as right-of-centre if they have political views which are closer to capitalism and conservatism than to socialism but which are not very extreme.
- rightabout-face — a turning directly about so as to face in the opposite direction
- riverworthiness — (of a boat) the quality or state of being riverworthy
- roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
- rochester hills — city in SE Mich., near Detroit: pop. 69,000
- rocket launcher — a tube attached to a weapon for the launching of rockets.
- rocket research — research into rocket engines for spacecraft
- roentgenography — roentgenogram.
- roll in the hay — a document of paper, parchment, or the like, that is or may be rolled up, as for storing; scroll.
- rolle's theorem — the theorem that a differentiable function having equal values at the endpoints of an interval has a derivative equal to zero at some point in the interval.
- rolling kitchen — a mobile kitchen used for feeding troops outdoors.
- root and branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
- root-and-branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
- rough breathing — the symbol (ʿ) used in the writing of Greek to indicate aspiration of the initial vowel or of the ρ (rho) over which it is placed.
- round character — a character in fiction whose personality, background, motives, and other features are fully delineated by the author.
- round the twist — mad; eccentric
- round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
- round-the-clock — around-the-clock.
- rowland heights — a city in SW California, near Los Angeles.
- rub elbows with — the bend or joint of the human arm between upper arm and forearm.
- run of the mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run-of-the-mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run-of-the-mine — of or relating to ore or coal that is crude, ungraded, etc.