argyrodite | (noun) a rare steel-grey mineral consisting of silver and germanium and sulfur | - |
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autogyro | (noun) an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller | Synonyms: autogiro, gyroplane |
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byroad | (noun) a side road little traveled (as in the countryside) | Synonyms: bypath, byway |
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gyro | (noun) rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction | Synonyms: gyroscope |
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(noun) a Greek sandwich: sliced roast lamb with onion and tomato stuffed into pita bread | - |
gyrocompass | (noun) a compass that does not depend on magnetism but uses a gyroscope instead | - |
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gyromitra | (noun) any fungus of the genus Gyromitra | - |
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gyroplane | (noun) an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller | Synonyms: autogiro, autogyro |
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gyroscope | (noun) rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction | Synonyms: gyro |
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gyrostabiliser | (noun) a stabilizer consisting of a heavy gyroscope that spins on a vertical axis; reduces side-to-side rolling of a ship or plane | Synonyms: gyrostabilizer |
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gyrostabilizer | (noun) a stabilizer consisting of a heavy gyroscope that spins on a vertical axis; reduces side-to-side rolling of a ship or plane | Synonyms: gyrostabiliser |
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hyperparathyroidism | (noun) excessive secretion of parathyroid hormone resulting in abnormally high levels of calcium in the blood; can affect many systems of the body (especially causing bone resorption and osteoporosis) | - |
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hyperthyroidism | (noun) an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones | Synonyms: thyrotoxicosis |
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hypoparathyroidism | (noun) inadequate secretion of parathyroid hormone resulting in abnormally low levels of calcium in the blood | - |
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hypothyroidism | (noun) an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones | - |
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iodothyronine | (noun) thyronine with iodine added | - |
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iodotyrosine | (noun) tyrosine with iodine added | - |
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jellyroll | (noun) thin sheet of sponge cake spread with jelly and then rolled up to make a cylindrical cake | Synonyms: Swiss roll |
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liothyronine | (noun) thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer | Synonyms: T, triiodothyronine |
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mesophyron | (noun) a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges | Synonyms: glabella |
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myrobalan | (noun) small Asiatic tree bearing edible red or yellow fruit | Synonyms: cherry plum, myrobalan plum, Prunus cerasifera |
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parathyroid | (noun) any one of four endocrine glands situated above or within the thyroid gland | Synonyms: parathyroid gland |
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payroll | (noun) the department that determines the amounts of wage or salary due to each employee | Synonyms: payroll department |
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(noun) a list of employees and their salaries | Synonyms: paysheet |
(noun) the total amount of money paid in wages | Synonyms: paysheet |
pennyroyal | (noun) Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil | Synonyms: Mentha pulegium |
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(noun) erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine | Synonyms: American pennyroyal, Hedeoma pulegioides |
playroom | (noun) a recreation room for noisy activities (parties or children's play etc) | Synonyms: game room, rumpus room |
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puttyroot | (noun) North American orchid bearing a single leaf and yellowish-brown flowers | Synonyms: adam-and-eve, Aplectrum hyemale |
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pyrocellulose | (noun) nitrocellulose containing less nitrogen than guncotton; used in making smokeless powder | - |
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pyrochemistry | (noun) processes for chemical reactions at high temperatures | Synonyms: pyrochemical process |
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pyroelectricity | (noun) generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature | - |
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pyrogallol | (noun) a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer | Synonyms: pyrogallic acid |
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pyrogen | (noun) any substance that can cause a rise in body temperature | Synonyms: pyrectic |
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(noun) any substance characterized by its great flammability | - |
pyrograph | (noun) a design produced by pyrography | - |
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pyrographer | (noun) an artist who practices pyrography | - |
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pyrography | (noun) the act of producing drawings on wood or leather by using heated tools or a fine flame | - |
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pyrola | (noun) any of several evergreen perennials of the genus Pyrola | Synonyms: wintergreen |
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pyrolatry | (noun) the worship of fire | Synonyms: fire-worship |
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pyrolusite | (noun) a mineral consisting of manganese dioxide; an important source of manganese | - |
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pyrolysis | (noun) transformation of a substance produced by the action of heat | - |
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pyromancer | (noun) one who practices pyromancy | - |
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pyromancy | (noun) divination by fire or flames | - |
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pyromania | (noun) an uncontrollable desire to set fire to things | - |
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pyromaniac | (noun) a person with a mania for setting things on fire | - |
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pyrometer | (noun) a thermometer designed to measure high temperatures | - |
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pyromorphite | (noun) a mineral consisting of lead chloride and phosphate; a minor source of lead | Synonyms: green lead ore |
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pyrope | (noun) a deep red garnet used as a gemstone | - |
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pyrophobia | (noun) a morbid fear of fire | - |
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pyrophosphate | (noun) a salt or ester of pyrophosphoric acid | - |
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pyrophyllite | (noun) a white or greenish aluminum silicate mineral (resembles talc) | - |
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pyroscope | (noun) a pyrometer that uses the color of the light emitted by a hot object | Synonyms: optical pyrometer |
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pyrosis | (noun) a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus); symptomatic of an ulcer or a diaphragmatic hernia or other disorder | Synonyms: heartburn |
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pyrostat | (noun) a thermostat that operates at very high temperatures | - |
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pyrotechnic | (noun) (usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc. | Synonyms: firework |
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pyrotechnics | (noun) the craft of making fireworks | Synonyms: pyrotechny |
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(noun) (music) brilliance of display (as in the performance of music) | - |
pyrotechny | (noun) the craft of making fireworks | Synonyms: pyrotechnics |
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pyroxene | (noun) any of a group of crystalline silicate mineral common in igneous and metamorphic rocks | - |
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pyroxylin | (noun) highly flammable nitrocellulose used in making collodion and plastics and lacquers | Synonyms: pyroxyline |
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pyroxyline | (noun) highly flammable nitrocellulose used in making collodion and plastics and lacquers | Synonyms: pyroxylin |
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scammonyroot | (noun) tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato | Synonyms: Ipomoea fastigiata, Ipomoea panurata, man-of-the-earth, manroot, wild potato vine, wild sweet potato vine |
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skyrocket | (noun) sends a firework display high into the sky | Synonyms: rocket |
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(noun) propels bright light high in the sky, or used to propel a lifesaving line or harpoon | Synonyms: rocket |
tetraiodothyronine | (noun) hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells | Synonyms: T, thyroxin, thyroxine |
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thyrocalcitonin | (noun) thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone | Synonyms: calcitonin |
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thyroglobulin | (noun) an iodine containing protein that is obtained from the thyroid gland and exhibits the general properties of the globulins | - |
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thyroid | (noun) located near the base of the neck | Synonyms: thyroid gland |
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thyroidectomy | (noun) surgical removal of the thyroid gland | - |
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thyroiditis | (noun) inflammation of the thyroid gland | - |
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thyromegaly | (noun) abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet | Synonyms: goiter, goitre, struma |
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thyronine | (noun) a phenolic amino acid of which thyroxine is a derivative | - |
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thyroprotein | (noun) a preparation made from iodinated protein and having an action similar to thyroxine | - |
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thyrotoxicosis | (noun) an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones | Synonyms: hyperthyroidism |
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thyrotrophin | (noun) anterior pituitary hormone that stimulates the function of the thyroid gland | Synonyms: thyroid-stimulating hormone, thyrotrophic hormone, thyrotropic hormone, thyrotropin, TSH |
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thyrotropin | (noun) anterior pituitary hormone that stimulates the function of the thyroid gland | Synonyms: thyroid-stimulating hormone, thyrotrophic hormone, thyrotrophin, thyrotropic hormone, TSH |
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thyroxin | (noun) hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells | Synonyms: T, tetraiodothyronine, thyroxine |
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thyroxine | (noun) hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells | Synonyms: T, tetraiodothyronine, thyroxin |
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tommyrot | (noun) pretentious or silly talk or writing | Synonyms: baloney, bilgewater, boloney, bosh, drool, humbug, taradiddle, tarradiddle, tosh, twaddle |
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triiodothyronine | (noun) thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer | Synonyms: liothyronine, T |
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tyro | (noun) someone new to a field or activity | Synonyms: beginner, initiate, novice, tiro |
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tyrocidin | (noun) a basic polypeptide antibiotic derived from a soil bacterium; a major component of tyrothricin | Synonyms: tyrocidine |
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tyrocidine | (noun) a basic polypeptide antibiotic derived from a soil bacterium; a major component of tyrothricin | Synonyms: tyrocidin |
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tyrolean | (noun) soft green felt hat with a feather or brush cockade | Synonyms: tirolean |
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tyrosine | (noun) an amino acid found in most proteins; a precursor of several hormones | - |
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tyrosinemia | (noun) autosomal recessive defect in tyrosine metabolism resulting in liver and kidney disturbances and mental retardation | - |
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tyrothricin | (noun) a mixture of antibiotics applied locally to infections caused by Gram-positive bacteria | - |
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