15-letter words containing h, a, t, i
- 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
- raise the devil — Theology. (sometimes initial capital letter) the supreme spirit of evil; Satan. a subordinate evil spirit at enmity with God, and having power to afflict humans both with bodily disease and with spiritual corruption.
- ramrod straight — having a very straight figure
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- read-write head — an electromagnetic device, as in a disk or tape drive, that reads data from or writes data on a magnetic disk or tape.
- read/write head — an electromagnetic device, as in a disk or tape drive, that reads data from or writes data on a magnetic disk or tape.
- reading the law — that part of the morning service on Sabbaths, festivals, and Mondays and Thursdays during which a passage is read from the Torah scrolls
- reauthorization — the act or process of reauthorizing something
- rechargeability — (of a storage battery) capable of being charged repeatedly. Compare cordless (def 2).
- red-tailed hawk — a North American hawk, Buteo jamaicensis, dark brown above, whitish with black streaking below, and having a reddish-brown tail.
- relative to sth — Relative to something means with reference to it or in comparison with it.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- 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.
- rhesus negative — relating to blood not 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
- 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-branching — (of a grammatical construction) characterized by greater structural complexity in the position following the head, as the phrase the house of the friend of my brother; having most of the constituents on the right in a tree diagram (opposed to left-branching).
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- rightabout-face — a turning directly about so as to face in the opposite direction
- roll in the hay — a document of paper, parchment, or the like, that is or may be rolled up, as for storing; scroll.
- 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.
- rowland heights — a city in SW California, near Los Angeles.
- russian thistle — a saltwort, Salsola kali tenuifolia, that has narrow, spinelike leaves, a troublesome weed in the central and western U.S.
- saddle-stitched — having a binding in which the sections of a publication are inserted inside each other and secured through the middle fold with thread, or wire staples
- sadomasochistic — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- saffian leather — leather made of sheepskin or goatskin tanned with sumac and usually dyed a bright color
- sahitya akademi — a body set up by the Government of India for cultivating literature in Indian languages and in English
- saint elisabeth — the wife of Zacharias, mother of John the Baptist, and kinswoman of the Virgin Mary. Feast day: Nov 5 or 8
- saint elizabeth — the wife of Zacharias, mother of John the Baptist, and kinswoman of the Virgin Mary. Feast day: Nov 5 or 8
- saint-john-lake — Henry, 1st Viscount Bolingbroke, Bolingbroke, 1st Viscount.
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- saskatchewanian — a native or inhabitant of Saskatchewan
- scared shitless — 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.
- schiffs-reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
- schillerization — the process of altering crystals to produce schiller
- schistosomiasis — an infection caused by parasitic flukes of the genus Schistosoma, occurring commonly in eastern Asia and in tropical regions and transmitted to humans through feces-contaminated fresh water or snails: symptoms commonly include pain, anemia, and malfunction of the infected organ.
- school teaching — School teaching is the work done by teachers in a school.
- scotch highland — any of a breed of small, hardy, usually dun-colored, shaggy-haired beef cattle with long, widespread horns, able to withstand the cold and sparse pasturage of its native western Scottish uplands.
- scottish gaelic — the Gaelic of the Hebrides and the Highlands of Scotland, also spoken as a second language in Nova Scotia.
- scratching post — a block or post of wood, usually covered with carpeting, on which a cat can use its claws.