15-letter words containing r, a, t, h, i
- 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.
- saffian leather — leather made of sheepskin or goatskin tanned with sumac and usually dyed a bright color
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- 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
- scratching post — a block or post of wood, usually covered with carpeting, on which a cat can use its claws.
- security thread — a colored thread running through the paper of a piece of paper money, used to deter counterfeiting.
- security threat — a threat to the security of a country
- self-authorized — given or endowed with authority: an authorized agent.
- semilogarithmic — (of graphing) having one scale logarithmic and the other arithmetic or of uniform gradation.
- serum hepatitis — hepatitis B.
- seven-year itch — scabies.
- shadow minister — a member of the main opposition party in Parliament who would hold ministerial office if their party were in power
- shearing strain — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- shearing stress — a force causing two contacting parts or layers to slide upon each other, in opposite directions parallel to the plane of their contact
- shearing-stress — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- shelikof strait — a strait between the Alaska Peninsula and Kodiak Island, in S Alaska. 130 miles (209 km) long and 30 miles (48 km) wide.
- shemini atseres — the festival which follows upon Sukkoth on Tishri 22 (and 23 outside Israel), and includes Simchat Torah
- ship's articles — a type of contract by which sailors agree to the conditions, payment, etc, for the ship in which they are going to work
- shock probation — the release on probation of a criminal after brief imprisonment
- shock resistant — not affected by impact
- shock-resistant — strong or resilient enough to sustain minor impacts without damage to the internal mechanism: a shock-resistant watch.
- shortwave radio — a radio that transmits or receives shortwaves.
- shot in the arm — a discharge of a firearm, bow, etc.
- shrimp cocktail — prawns and lettuce in Mary Rose sauce
- singing teacher — a teacher who gives instruction in how to sing
- sir arthur john — Sir (Arthur) John, 1904–2000, English actor and director.
- social heritage — the entire inherited pattern of cultural activity present in a society.
- sociohistorical — involving social and historical elements
- socratic method — the use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition.
- sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
- soldier's heart — cardiac neurosis.
- somatic therapy — any of a group of treatments presumed to act on biological factors leading to mental illness.
- south australia — a state in S Australia. 380,070 sq. mi. (984,380 sq. km). Capital: Adelaide.
- southern paiute — See under Paiute (def 2).
- spaghetti strap — a thin, often rounded strip of fabric used in women's clothing, as to form a shoulder strap on a bare-shouldered garment.
- spanish trefoil — alfalfa.
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.