mastoiditis | (noun) inflammation of the mastoid | - |
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medusoid | (noun) one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles | Synonyms: medusa, medusan |
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meloid | (noun) beetle that produces a secretion that blisters the skin | Synonyms: blister beetle |
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meteoroid | (noun) (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere | Synonyms: meteor |
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micrometeoroid | (noun) a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere | Synonyms: micrometeor, micrometeorite |
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mineralocorticoid | (noun) hormone that is one of the steroids of the adrenal cortex that influences the metabolism of sodium and potassium | - |
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mongoloid | (noun) a person suffering from Down syndrome (no longer used technically in this sense, now considered offensive) | - |
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monoideism | (noun) a state of prolonged absorption in a single idea (as in mental depression, trance, hypnosis). | - |
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mucoid | (noun) any of several glycoproteins similar to mucin | - |
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nonsteroid | (noun) an organic compound that does no contain a steroid | Synonyms: nonsteroidal |
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nonsteroidal | (noun) an organic compound that does no contain a steroid | Synonyms: nonsteroid |
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oroide | (noun) alloy of copper and tin and zinc; used in imitation gold jewelry | Synonyms: oreide |
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ovoid | (noun) an egg-shaped object | - |
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paraboloid | (noun) a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis | - |
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paranoid | (noun) a person afflicted with paranoia | Synonyms: paranoiac |
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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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paratyphoid | (noun) any of a variety of infectious intestinal diseases resembling typhoid fever | Synonyms: paratyphoid fever |
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percoid | (noun) any of numerous spiny-finned fishes of the order Perciformes | Synonyms: percoid fish, percoidean |
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percoidean | (noun) any of numerous spiny-finned fishes of the order Perciformes | Synonyms: percoid, percoid fish |
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phalloidin | (noun) one of a group of toxins from the death cap (Amanita phalloides) known as phallotoxins. | - |
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planetoid | (noun) any of numerous small celestial bodies that move around the sun | Synonyms: minor planet |
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polyploid | (noun) (genetics) an organism or cell having more than twice the haploid number of chromosomes | - |
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polyploidy | (noun) the condition of being polyploid | - |
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prismatoid | (noun) a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid | - |
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prismoid | (noun) a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms | - |
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resinoid | (noun) a plastic containing resins | - |
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rhizoid | (noun) any of various slender filaments that function as roots in mosses and ferns and fungi etc | - |
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rhomboid | (noun) any of several muscles of the upper back that help move the shoulder blade | Synonyms: rhomboid muscle |
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(noun) a parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal | - |
sarcoidosis | (noun) a chronic disease of unknown cause marked by the formation of nodules in the lungs and liver and lymph glands and salivary glands | - |
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schizoid | (noun) characterized by symptoms similar to but less severe than schizophrenia | Synonyms: schizotypal personality |
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scombroid | (noun) important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters | Synonyms: scombroid fish |
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scorpaenoid | (noun) fishes having the head armored with bony plates | Synonyms: scorpaenoid fish |
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sesamoid | (noun) any of several small round bones formed in a tendon where it passes over a joint | Synonyms: os sesamoideum, sesamoid bone |
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sigmoidectomy | (noun) surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor) | - |
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sigmoidoscope | (noun) an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon | Synonyms: flexible sigmoidoscope |
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sigmoidoscopy | (noun) visual examination (with a sigmoidoscope) of the lower third of the colon in a search for polyps | Synonyms: flexible sigmoidoscopy |
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sinusoid | (noun) tiny endothelium-lined passages for blood in the tissue of an organ | - |
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(noun) the curve of y=sin x | Synonyms: sine curve |
solenoid | (noun) a coil of wire around an iron core; becomes a magnet when current passes through the coil | - |
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spermatozoid | (noun) a motile male gamete of a plant such as an alga or fern or gymnosperm | Synonyms: antherozoid |
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sphecoid | (noun) any of various solitary wasps | Synonyms: sphecoid wasp |
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sphenoid | (noun) butterfly-shaped bone at the base of the skull | Synonyms: os sphenoidale, sphenoid bone |
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spheroid | (noun) a shape that is generated by rotating an ellipse around one of its axes | Synonyms: ellipsoid of revolution |
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sternocleidomastoid | (noun) one of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone; turns head obliquely to the opposite side; when acting together they flex the neck and extend the head | Synonyms: musculus sternocleidomastoideus, sternocleido mastoideus, sternocleidomastoid muscle |
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steroid | (noun) any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects | - |
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(noun) any hormone affecting the development and growth of sex organs | Synonyms: sex hormone, steroid hormone |
tabloid | (noun) newspaper with half-size pages | Synonyms: rag, sheet |
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(noun) sensationalist journalism | Synonyms: tab, yellow journalism |
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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tineoid | (noun) small dull-colored moth with chewing mouthparts | Synonyms: tineoid moth |
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toroid | (noun) a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle | Synonyms: torus |
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(noun) the doughnut-shaped object enclosed by a torus | - |
toxoid | (noun) a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin | Synonyms: anatoxin |
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trapezoid | (noun) the wrist bone between the trapezium and the capitate bones | Synonyms: os trapezoideum, trapezoid bone |
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(noun) a quadrilateral with two parallel sides | - |
typhoid | (noun) serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water | Synonyms: enteric fever, typhoid fever |
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unavoidability | (noun) the quality of being impossible to avoid or evade | Synonyms: ineluctability |
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viroid | (noun) the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat | Synonyms: virusoid |
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virusoid | (noun) the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat | Synonyms: viroid |
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void | (noun) an empty area or space | Synonyms: emptiness, vacancy, vacuum |
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(noun) the state of nonexistence | Synonyms: nihility, nothingness, nullity |
voidance | (noun) the act of removing the contents of something | Synonyms: emptying, evacuation |
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voider | (noun) a hamper that holds dirty clothes to be washed or wet clothes to be dried | Synonyms: clothes basket, clothes hamper, laundry basket |
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(noun) a piece of chain mail covering a place unprotected by armor plate | Synonyms: gusset |
(noun) an official who can invalidate or nullify | Synonyms: invalidator, nullifier |
(noun) a person who defecates | Synonyms: defecator, shitter |
voiding | (noun) the bodily process of discharging waste matter | Synonyms: elimination, evacuation, excreting, excretion |
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zooid | (noun) one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan | - |
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