| adenomyosarcoma | (noun) malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass | Synonyms: embryoma of the kidney, nephroblastoma, Wilms' tumor, Wilms tumour |
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| allosaur | (noun) late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus | Synonyms: allosaurus |
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| allosaurus | (noun) late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus | Synonyms: allosaur |
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| angiosarcoma | (noun) a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels | - |
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| ankylosaur | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaurus |
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| ankylosaurus | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaur |
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| apatosaur | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaurus, Apatosaurus excelsus, brontosaur, brontosaurus, thunder lizard |
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| apatosaurus | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaur, Apatosaurus excelsus, brontosaur, brontosaurus, thunder lizard |
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| apposable | (adjective) capable of being placed opposite to something | Synonyms: opposable |
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| archosaur | (noun) extinct reptiles including: dinosaurs, plesiosaurs, pterosaurs, ichthyosaurs, thecodonts | Synonyms: archosaurian, archosaurian reptile |
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| archosaurian | (adjective) of or relating to reptiles of the subclass Archosauria | - |
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| (noun) extinct reptiles including: dinosaurs, plesiosaurs, pterosaurs, ichthyosaurs, thecodonts | Synonyms: archosaur, archosaurian reptile |
| argentinosaur | (noun) huge herbivorous dinosaur of Cretaceous found in Argentina | - |
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| barosaur | (noun) a dinosaur that could grow to be as tall as a building five stories tall | Synonyms: barosaurus |
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| barosaurus | (noun) a dinosaur that could grow to be as tall as a building five stories tall | Synonyms: barosaur |
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| biosafety | (noun) safety from exposure to infectious agents | - |
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| brontosaur | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaur, apatosaurus, Apatosaurus excelsus, brontosaurus, thunder lizard |
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| brontosaurus | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaur, apatosaurus, Apatosaurus excelsus, brontosaur, thunder lizard |
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| carcinosarcoma | (noun) a malignant neoplasm composed of carcinoma and sarcoma extensively intermixed | - |
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| carnosaur | (noun) large carnivorous bipedal dinosaur having huge claws | - |
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| ceratosaur | (noun) primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America | Synonyms: ceratosaurus |
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| ceratosaurus | (noun) primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America | Synonyms: ceratosaur |
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| chondrosarcoma | (noun) a malignant neoplasm of cartilage cells | - |
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| corposant | (noun) an electrical discharge accompanied by ionization of surrounding atmosphere | Synonyms: corona, corona discharge, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire |
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| corythosaur | (noun) duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet | Synonyms: corythosaurus |
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| corythosaurus | (noun) duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet | Synonyms: corythosaur |
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| counterproposal | (noun) a proposal offered as an alternative to an earlier proposal | - |
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| curiosa | (noun) books on strange or unusual subjects (especially erotica) | - |
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| decomposable | (adjective) capable of being partitioned | Synonyms: analyzable |
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| diagnosable | (adjective) capable of being diagnosed | - |
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| dinosaur | (noun) any of numerous extinct terrestrial reptiles of the Mesozoic era | - |
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| disposable | (adjective) designed to be disposed of after use | - |
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| (adjective) free or available for use or disposition | - |
| (noun) an item that can be disposed of after it has been used | - |
| disposal | (noun) the act or means of getting rid of something | Synonyms: disposition |
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| (noun) a method of tending to or managing the affairs of some group of people (especially the group's business affairs) | Synonyms: administration |
| (noun) a kitchen appliance for disposing of garbage | Synonyms: electric pig, garbage disposal |
| (noun) the power to use something or someone | - |
| dosage | (noun) a measured portion of medicine taken at any one time | Synonyms: dose |
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| (noun) the quantity of an active agent (substance or radiation) taken in or absorbed at any one time | Synonyms: dose |
| dromaeosaur | (noun) a kind of maniraptor | - |
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| edaphosaurus | (noun) heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic | - |
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| edmontosaurus | (noun) duck-billed dinosaur from Canada found as a fossilized mummy with skin | - |
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| flindosa | (noun) tall Australian timber tree yielding tough hard wood used for staves etc | Synonyms: Flindersia australis, flindosy, native beech |
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| gloriosa | (noun) any plant of the genus Gloriosa of tropical Africa and Asia; a perennial herb climbing by means of tendrils at leaf tips having showy yellow to red or purple flowers; all parts are poisonous | Synonyms: climbing lily, creeping lily, Gloriosa superba, glory lily |
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| glucosamine | (noun) an amino derivative of glucose that is a component of many polysaccharides | - |
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| goosander | (noun) common merganser of Europe and North America | Synonyms: Mergus merganser |
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| hadrosaur | (noun) any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic | Synonyms: duck-billed dinosaur, hadrosaurus |
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| hadrosaurus | (noun) any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic | Synonyms: duck-billed dinosaur, hadrosaur |
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| hosanna | (noun) a cry of praise or adoration (to God) | - |
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| hysterosalpingogram | (noun) X ray of the uterus and Fallopian tubes; usually done in diagnosing infertility (to see if there any blockages) | - |
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| ichthyosaur | (noun) any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs | - |
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| ichthyosaurus | (noun) ichthyosaurs of the Jurassic | - |
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| icosahedral | (adjective) of or relating to an icosahedron | - |
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| icosahedron | (noun) any polyhedron having twenty plane faces | - |
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| ictodosaur | (noun) intermediate in form between the therapsids and most primitive true mammals | - |
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| jambosa | (noun) tropical tree of the East Indies cultivated for its edible fruit | Synonyms: Eugenia jambos, rose-apple tree, rose apple |
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| leiomyosarcoma | (noun) sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate | - |
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| lignosae | (noun) a category in some early taxonomies | - |
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| liposarcoma | (noun) sarcoma of fat cells | - |
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| lumbosacral | (adjective) of or relating to or near the small of the back and the back part of the pelvis between the hips | - |
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| margosa | (noun) large semi-evergreen tree of the East Indies; trunk exudes a tenacious gum; bitter bark used as a tonic; seeds yield an aromatic oil; sometimes placed in genus Melia | Synonyms: arishth, Azadirachta indica, Melia Azadirachta, neem, neem tree, nim tree |
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| mariposa | (noun) any of several plants of the genus Calochortus having tulip-shaped flowers with 3 sepals and 3 petals; southwestern United States and Mexico | Synonyms: mariposa lily, mariposa tulip |
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| megalosaur | (noun) gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe | Synonyms: megalosaurus |
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| megalosaurus | (noun) gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe | Synonyms: megalosaur |
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| melosa | (noun) South American herb with sticky glandular foliage; source of madia oil | Synonyms: Chile tarweed, madia oil plant, Madia sativa |
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| mimosa | (noun) a mixed drink containing champagne and orange juice | Synonyms: buck's fizz |
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| (noun) any of various tropical shrubs or trees of the genus Mimosa having usually yellow flowers and compound leaves | - |
| (noun) evergreen Australasian tree having white or silvery bark and young leaves and yellow flowers | Synonyms: Acacia dealbata, silver wattle |
| monosaccharide | (noun) a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates | Synonyms: monosaccharose, simple sugar |
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| monosaccharose | (noun) a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates | Synonyms: monosaccharide, simple sugar |
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| mosaic | (noun) art consisting of a design made of small pieces of colored stone or glass | - |
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| (noun) arrangement of aerial photographs forming a composite picture | Synonyms: arial mosaic, photomosaic |
| (noun) transducer formed by the light-sensitive surface on a television camera tube | - |
| (noun) a pattern resembling a mosaic | - |
| (noun) viral disease in solanaceous plants (tomatoes, potatoes, tobacco) resulting in mottling and often shriveling of the leaves | - |
| mosaicism | (noun) the condition in which an organism has two or more cell populations that differ in genetic makeup | - |
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| mucosa | (noun) mucus-secreting membrane lining all body cavities or passages that communicate with the exterior | Synonyms: mucous membrane |
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| mucosal | (adjective) of or relating to mucous membranes | - |
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| myosarcoma | (noun) sarcoma of muscle tissue | - |
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| neurosarcoma | (noun) a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue | Synonyms: malignant neuroma |
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| nondisposable | (adjective) not designed to be thrown away after use | - |
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| (adjective) (of assets) unavailable for use | - |
| nothosaur | (noun) extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming | - |
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| oligosaccharide | (noun) any of the carbohydrates that yield only a few monosaccharide molecules on complete hydrolysis | - |
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| oophorosalpingectomy | (noun) surgical removal of one or both ovaries and the corresponding Fallopian tubes | - |
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| opposable | (adjective) capable of being placed opposite to something | Synonyms: apposable |
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| osteosarcoma | (noun) malignant bone tumor; most common in children and young adults where it tends to affect the femur | Synonyms: osteogenic sarcoma |
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| pachycephalosaur | (noun) bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found | Synonyms: pachycephalosaurus |
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| pachycephalosaurus | (noun) bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found | Synonyms: pachycephalosaur |
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| parosamia | (noun) a disorder in the sense of smell | Synonyms: dysosmia, olfactory impairment |
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| pelycosaur | (noun) large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America | - |
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| photomosaic | (noun) arrangement of aerial photographs forming a composite picture | Synonyms: arial mosaic, mosaic |
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| pisanosaur | (noun) primitive dinosaur found in Argentina | Synonyms: pisanosaurus |
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| pisanosaurus | (noun) primitive dinosaur found in Argentina | Synonyms: pisanosaur |
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| plesiosaur | (noun) extinct marine reptile with a small head on a long neck and a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous | Synonyms: plesiosaurus |
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| plesiosaurus | (noun) extinct marine reptile with a small head on a long neck and a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous | Synonyms: plesiosaur |
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| ponderosa | (noun) common and widely distributed tall timber pine of western North America having dark green needles in bunches of 2 to 5 and thick bark with dark brown plates when mature | Synonyms: bull pine, Pinus ponderosa, ponderosa pine, western yellow pine |
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| promposal | (noun) The act of asking someone to go to a prom with you | - |
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| proposal | (noun) something proposed (such as a plan or assumption) | - |
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| (noun) the act of making a proposal | Synonyms: proposition |
| (noun) an offer of marriage | Synonyms: marriage offer, marriage proposal, proposal of marriage |
| prosaic | (adjective) not challenging; dull and lacking excitement | Synonyms: commonplace, humdrum, unglamorous, unglamourous |
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| (adjective) lacking wit or imagination | Synonyms: earthbound, pedestrian, prosy |
| (adjective) not fanciful or imaginative | Synonyms: matter-of-fact |
| prosaically | (adverb) in a matter-of-fact manner | Synonyms: unimaginatively |
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| prosaicness | (noun) commonplaceness as a consequence of being humdrum and not exciting | Synonyms: prosiness |
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| psittacosaur | (noun) primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal | Synonyms: psittacosaurus |
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| psittacosaurus | (noun) primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal | Synonyms: psittacosaur |
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| pterosaur | (noun) an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb | Synonyms: flying reptile |
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| rhabdomyosarcoma | (noun) a highly malignant neoplasm derived from striated muscle | Synonyms: rhabdosarcoma |
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| rhabdosarcoma | (noun) a highly malignant neoplasm derived from striated muscle | Synonyms: rhabdomyosarcoma |
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| rosacea | (noun) a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance | Synonyms: acne rosacea |
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| rosaceous | (adjective) of or pertaining to or characteristic of plants of the family Rosaceae | - |
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| (adjective) of something having a dusty purplish pink color | Synonyms: rose, roseate |
| rosary | (noun) a string of beads used in counting prayers (especially by Catholics) | Synonyms: prayer beads |
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| sacrosanct | (adjective) must be kept sacred | Synonyms: inviolable, inviolate |
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| samosa | (noun) small turnover of Indian origin filled with vegetables or meat and fried and served hot | - |
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| scabiosa | (noun) any of various plants of the genus Scabiosa | Synonyms: scabious |
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