15-letter words containing e, t, h, r
- 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
- reserve tranche — the quota of 25 per cent to which a member of the IMF has unconditional access. Prior to 1978 it was paid in gold and known as the gold tranche
- 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
- reversing light — Reversing lights are the white lights on the back of a motor vehicle which shine when the vehicle is in reverse gear.
- rhesus negative — relating to blood not containing Rhesus antigen D
- rhesus positive — relating to blood containing Rhesus antigen D
- rheumatic fever — a serious disease, associated with streptococcal infections, usually affecting children, characterized by fever, swelling and pain in the joints, sore throat, and cardiac involvement.
- 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 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-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.
- 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.
- ruffle feathers — to cause upset or offence
- run of the mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run the gantlet — to be punished by means of the gantlet
- 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.
- russian thistle — a saltwort, Salsola kali tenuifolia, that has narrow, spinelike leaves, a troublesome weed in the central and western U.S.
- rutherford atom — the atom postulated as analogous to the solar system, with electrons revolving around a small, central, positive nucleus that constitutes practically the entire mass of the atom
- saccharomycetes — a collective name for yeasts
- saffian leather — leather made of sheepskin or goatskin tanned with sumac and usually dyed a bright color
- sarcenchymatous — relating to the connective tissue of some sponges
- scared shitless — terrified
- scared to death — terrified
- scarlet lychnis — a plant, Lychnis chalcedonica, of the pink family, having scarlet or sometimes white flowers, the arrangement and shape of the petals resembling a Maltese cross.
- scatter cushion — Scatter cushions are small cushions for use on sofas and chairs.