13-letter words containing t, h, o, r
- rotary harrow — a harrow with a number of turning wheels rimmed with spikes, used for various soil treatments.
- rotary plough — an implement with a series of blades mounted on a power-driven shaft, used to break up soil or weeds
- rough justice — If you describe someone's treatment or punishment as rough justice, you mean that it is not given according to the law.
- royal charter — authorization by the monarchy
- rule of three — the method of finding the fourth term in a proportion when three terms are given.
- rule of thumb — a general or approximate principle, procedure, or rule based on experience or practice, as opposed to a specific, scientific calculation or estimate.
- rutherfordium — a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Rf; atomic number: 104.
- saber-toothed — having long, saberlike upper canine teeth, sometimes extending below the margin of the lower jaw.
- saccharolytic — of or causing the hydrolysis of sugars.
- saccharometer — an instrument for measuring the amount of sugar in a solution, as by determining the specific gravity of the solution.
- saccharometry — the process of determining the quantity of sugar in a solution
- sachet-powder — a small bag, case, or pad containing perfuming powder or the like, placed among handkerchiefs, lingerie, etc., to impart a pleasant scent.
- saratoga chip — potato chip.
- saurognathous — related to or resembling the Saurognathae family of birds that possess palate bones similar to those in saurians or lizards
- sawtooth roof — a roof composed of a series of small parallel roofs of triangular cross section, usually asymmetrical with the shorter slope glazed.
- school report — written assessment of school pupil
- schoolteacher — a teacher in a school, especially in one below the college level.
- sclerotherapy — Medicine/Medical. a treatment for varicose veins in which blood flow is diverted and the veins collapsed by injection of a hardening solution, also used cosmetically in spider veins to eliminate discoloration.
- scotch crocus — a garden plant, Crocus biflorus, of southeastern Europe and Turkey, having purple-striped, yellow-throated flowers.
- scotch-hearth — ore hearth.
- scottish rite — one of the two advanced divisions of Masonic membership, leading to the 33rd degree.
- scratch score — an estimated number of strokes for a hole or course that a scratch player should make
- scratch video — the technique or practice of recycling images from films or television to make collages
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- seashore test — a test of musical ability in which items measuring tonal memory, rhythm sense, etc., are presented to the subject by means of recordings.
- second growth — the plant growth that follows the destruction of virgin forest.
- semester hour — a unit of academic credit fulfilled by completing one hour of class instruction each week for one semester.
- seventh chord — a chord formed by the superposition of three thirds.
- sex chromatin — Barr body.
- shaft encoder — A shaft encoder is a sensor for measuring how fast a shaft rotates.
- share account — a savings account in a credit union.
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- shaver outlet — a point in a wall, esp in a bathroom, where you can connect an electric razor to the power supply
- sheet erosion — Geology. erosion by sheets of running water, rather than by streams.
- sheriff court — (in Scotland) a court having jurisdiction to try summarily or on indictment all but the most serious crimes and to deal with most civil actions
- ship's stores — a retail store aboard a navy ship that sells toiletries, cigarettes, etc., to the ship's personnel.
- ship-to-shore — operating between a ship and the shore: a ship-to-shore radio.
- shock therapy — (not in technical use) any of various therapies, as insulin shock therapy or electroconvulsive therapy, that induce convulsions or unconsciousness, used for symptomatic relief in certain mental disorders.
- shockumentary — a television programme showing members of the public in shocking or violent situations
- shoot through — to leave; depart
- shooting iron — a firearm, especially a pistol or revolver.
- shooting star — meteor (def 1b).
- shopping cart — a four-wheeled cart provided by a supermarket or other retail store for a customer's use in collecting purchases.
- shopping trip — visit to the shops
- shore terrace — a terrace or bench produced by wave erosion and biochemical attack along the shore of an ocean or a large lake.
- short account — the account of a short seller.
- short selling — a person, as a speculator, who sells short.
- short subject — a short film, as a documentary or travelogue, shown as part of a program with a feature-length film.
- short-circuit — Electricity. to make (an appliance, switch, etc.) inoperable by establishing a short circuit in. to carry (a current) as a short circuit.
- short-commons — a scanty allowance of food.