| doorstopper | (noun) a stop that keeps open doors from moving | Synonyms: doorstop |
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| dripstone | (noun) a protective drip that is made of stone | Synonyms: hoodmold, hoodmould |
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| (noun) the form of calcium carbonate found in stalactites and stalagmites | - |
| drugstore | (noun) a retail shop where medicine and other articles are sold | Synonyms: apothecary's shop, chemist's, chemist's shop, pharmacy |
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| dystopia | (noun) a work of fiction describing an imaginary place where life is extremely bad because of deprivation or oppression or terror | - |
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| (noun) state in which the conditions of life are extremely bad as from deprivation or oppression or terror | - |
| elastomer | (noun) any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed) | - |
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| elastosis | (noun) breakdown of elastic tissue (as the loss of elasticity in the skin of elderly people that results from degeneration of connective tissue) | - |
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| enterostomy | (noun) surgical operation that creates a permanent opening through the abdominal wall into the intestine | Synonyms: enterotomy |
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| erythroblastosis | (noun) a blood disease characterized by the abnormal presence of erythroblasts in the blood | - |
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| estoppel | (noun) a rule of evidence whereby a person is barred from denying the truth of a fact that has already been settled | - |
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| exostosis | (noun) a benign outgrowth from a bone (usually covered with cartilage) | - |
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| extrasystole | (noun) a premature systole resulting in a momentary cardiac arrhythmia | - |
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| feedstock | (noun) the raw material that is required for some industrial process | - |
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| festoon | (noun) flower chains suspended in curves between points as a decoration | Synonyms: festoonery |
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| (noun) an embellishment consisting of a decorative representation of a string of flowers suspended between two points; used on pottery or in architectural work | - |
| (noun) a curtain of fabric draped and bound at intervals to form graceful curves | - |
| festoonery | (noun) flower chains suspended in curves between points as a decoration | Synonyms: festoon |
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| fieldstone | (noun) stone that occurs naturally in fields; often used as building material | - |
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| firestone | (noun) a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns | - |
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| (noun) a piece of flint that is struck to light a fire | - |
| firestorm | (noun) an outburst of controversy | - |
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| (noun) a storm in which violent winds are drawn into the column of hot air rising over a severely bombed area | - |
| flagstone | (noun) stratified stone that splits into pieces suitable as paving stones | Synonyms: flag |
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| flintstone | (noun) pebbles of flint used in masonry construction | - |
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| footstool | (noun) a low seat or a stool to rest the feet of a seated person | Synonyms: footrest, ottoman, tuffet |
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| freestone | (noun) fruit (especially peach) whose flesh does not adhere to the pit | - |
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| gallstone | (noun) a calculus formed in the gall bladder or its ducts | Synonyms: bilestone |
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| gastroenterostomy | (noun) surgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated | - |
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| gastrostomy | (noun) surgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage) | - |
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| gemstone | (noun) a crystalline rock that can be cut and polished for jewelry | Synonyms: gem, stone |
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| glioblastoma | (noun) a fast-growing malignant brain tumor composed of spongioblasts; nearly always fatal | Synonyms: spongioblastoma |
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| gnathostome | (noun) a vertebrate animal possessing true jaws | - |
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| goldstone | (noun) aventurine spangled densely with fine gold-colored particles | - |
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| gravestone | (noun) a stone that is used to mark a grave | Synonyms: headstone, tombstone |
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| grindstone | (noun) a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools | - |
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| gritstone | (noun) a hard coarse-grained siliceous sandstone | Synonyms: grit, gritrock |
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| gunstock | (noun) the handle of a handgun or the butt end of a rifle or shotgun or part of the support of a machine gun or artillery gun | Synonyms: stock |
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| gusto | (noun) vigorous and enthusiastic enjoyment | Synonyms: relish, zest, zestfulness |
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| haematohiston | (noun) a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells | Synonyms: globin, hematohiston |
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| hailstone | (noun) small pellet of ice that falls during a hailstorm | - |
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| hailstorm | (noun) a storm during which hail falls | - |
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| haustorium | (noun) a root-like attachment in parasitic plants that penetrates and obtains food from the host | - |
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| headstock | (noun) the stationary support in a machine or power tool that supports and drives a revolving part (as a chuck or the spindle on a lathe) | - |
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| headstone | (noun) the central building block at the top of an arch or vault | Synonyms: key, keystone |
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| (noun) a stone that is used to mark a grave | Synonyms: gravestone, tombstone |
| hearthstone | (noun) a stone that forms a hearth | - |
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| hematohiston | (noun) a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells | Synonyms: globin, haematohiston |
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| histocompatibility | (noun) condition in which the cells of one tissue can survive in the presence of cells of another tissue | - |
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| histogram | (noun) a bar chart representing a frequency distribution; heights of the bars represent observed frequencies | - |
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| histoincompatibility | (noun) incompatibility in which one person's tissue cannot be transplanted to another person | - |
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| histologist | (noun) anatomist who specializes in the microscopic study of animal tissues | - |
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| histology | (noun) the branch of biology that studies the microscopic structure of animal or plant tissues | - |
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| histone | (noun) a simple protein containing mainly basic amino acids; present in cell nuclei in association with nucleic acids | - |
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| historian | (noun) a person who is an authority on history and who studies it and writes about it | Synonyms: historiographer |
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| historicalness | (noun) significance owing to its history | - |
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| (noun) the state of having in fact existed in the past | - |
| historicism | (noun) a theory that social and cultural events are determined by history | - |
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| historiographer | (noun) a person who is an authority on history and who studies it and writes about it | Synonyms: historian |
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| historiography | (noun) the writing of history | - |
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| (noun) a body of historical literature | - |
| history | (noun) the discipline that records and interprets past events involving human beings | - |
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| (noun) all that is remembered of the past as preserved in writing; a body of knowledge | - |
| (noun) a record or narrative description of past events | Synonyms: account, chronicle, story |
| (noun) the aggregate of past events | - |
| (noun) the continuum of events occurring in succession leading from the past to the present and even into the future | - |
| holystone | (noun) a soft sandstone used for scrubbing the decks of a ship | - |
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| hornstone | (noun) a fine-grained metamorphic rock formed by the action of heat on clay rocks | Synonyms: hornfels |
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| ileostomy | (noun) surgical procedure that creates an opening from the ileum through the abdominal wall to function as an anus; performed in cases of cancer of the colon or ulcerative colitis | - |
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| immunohistochemistry | (noun) an assay that shows specific antigens in tissues by the use of markers that are either fluorescent dyes or enzymes (such as horseradish peroxidase) | - |
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| impasto | (noun) painting that applies the pigment thickly so that brush or palette knife marks are visible | - |
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| impostor | (noun) a person who makes deceitful pretenses | Synonyms: fake, faker, fraud, imposter, pretender, pseud, pseudo, role player, sham, shammer |
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| investor | (noun) someone who commits capital in order to gain financial returns | - |
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| jackstones | (noun) a game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball | Synonyms: jacks, knucklebones |
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| (noun) game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks | Synonyms: jack |
| jadestone | (noun) a semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite | Synonyms: jade |
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| jejunostomy | (noun) surgical creation of an opening between the jejunum and the anterior abdominal wall; will allow artificial feeding | - |
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| kerbstone | (noun) a paving stone forming part of a curb | Synonyms: curbstone |
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| keystone | (noun) the central building block at the top of an arch or vault | Synonyms: headstone, key |
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| (noun) a central cohesive source of support and stability | Synonyms: anchor, backbone, linchpin, lynchpin, mainstay |
| laughingstock | (noun) a victim of ridicule or pranks | Synonyms: butt, goat, stooge |
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| limestone | (noun) a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals | - |
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| linstock | (noun) a stick about a meter long with a point on one end (to stick in the ground) and a forked head on the other end (to hold a lighted match); formerly used to fire cannons | - |
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| livestock | (noun) any animals kept for use or profit | Synonyms: farm animal, stock |
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| loadstone | (noun) a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically | Synonyms: lodestone |
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| lodestone | (noun) a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically | Synonyms: loadstone |
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| manifesto | (noun) a public declaration of intentions (as issued by a political party or government) | Synonyms: pronunciamento |
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| marlstone | (noun) metamorphic rock with approximately the same composition as marl | Synonyms: marlite |
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| mastocyte | (noun) a large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation | Synonyms: labrocyte, mast cell |
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| mastodon | (noun) extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth | Synonyms: mastodont |
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| mastodont | (noun) extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth | Synonyms: mastodon |
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| mastoid | (noun) process of the temporal bone behind the ear at the base of the skull | Synonyms: mastoid bone, mastoid process, mastoidal |
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| mastoidal | (noun) process of the temporal bone behind the ear at the base of the skull | Synonyms: mastoid, mastoid bone, mastoid process |
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| mastoidale | (noun) the craniometric point at the lowest point of the mastoid process | - |
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| mastoidectomy | (noun) surgical removal of some or all of the mastoid process | - |
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| mastoiditis | (noun) inflammation of the mastoid | - |
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| mastopathy | (noun) any pathology of the breast | Synonyms: mazopathy |
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| mastopexy | (noun) plastic surgery to lift or reshape the breasts | - |
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| mearstone | (noun) an old term for a landmark that consisted of a pile of stones surmounted by an upright slab | Synonyms: meerestone, merestone |
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| meerestone | (noun) an old term for a landmark that consisted of a pile of stones surmounted by an upright slab | Synonyms: mearstone, merestone |
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| merestone | (noun) an old term for a landmark that consisted of a pile of stones surmounted by an upright slab | Synonyms: mearstone, meerestone |
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| methyltestosterone | (noun) an androgenic compound contained in drugs that are used to treat testosterone deficiency and female breast cancer and to stimulate growth and weight gain | - |
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| mifepristone | (noun) an abortion-inducing drug (trade name RU 486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo | Synonyms: abortion pill, RU 486 |
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| milestone | (noun) stone post at side of a road to show distances | Synonyms: milepost |
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| (noun) a significant event in your life (or in a project) | - |
| millstone | (noun) one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain | - |
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| (noun) any load that is difficult to carry | - |
| (noun) (figurative) something that hinders or handicaps | Synonyms: albatross |
| moonstone | (noun) a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar | - |
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| nephroblastoma | (noun) malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass | Synonyms: adenomyosarcoma, embryoma of the kidney, Wilms' tumor, Wilms tumour |
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| neuroblastoma | (noun) malignant tumor containing embryonic nerve cells; usually metastasizes quickly | - |
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| nonstop | (noun) a flight made without intermediate stops between source and destination | Synonyms: nonstop flight |
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| nostoc | (noun) found in moist places as rounded jellylike colonies | - |
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| oilstone | (noun) a whetstone for use with oil | - |
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| oilstove | (noun) heater that burns oil (as kerosine) for heating or cooking | Synonyms: kerosene heater, kerosine heater, oil heater |
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| osteoblastoma | (noun) benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults) | - |
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| ostomy | (noun) surgical procedure that creates an artificial opening for the elimination of bodily wastes | - |
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| pastor | (noun) a person authorized to conduct religious worship | Synonyms: curate, minister, minister of religion, parson, rector |
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