| ferrocerium | (noun) a pyrophoric alloy of iron with cerium; used for lighter flints | - |
|---|
| flerovium | (noun) a radioactive transuranic element | Synonyms: Fl |
|---|
| florilegium | (noun) an anthology of short literary pieces and poems and ballads etc. | Synonyms: garland, miscellany |
|---|
| folium | (noun) a thin layer or stratum of (especially metamorphic) rock | - |
|---|
| francium | (noun) a radioactive element of the alkali-metal group discovered as a disintegration product of actinium | Synonyms: atomic number 87, Fr |
|---|
| gadolinium | (noun) a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group | Synonyms: atomic number 64, Gd |
|---|
| gallium | (noun) a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores | Synonyms: atomic number 31, Ga |
|---|
| gametangium | (noun) cell or organ in which gametes develop | - |
|---|
| gametoecium | (noun) gametangia and surrounding bracts | - |
|---|
| gastrolobium | (noun) any of various Australian evergreen shrubs of the genus Gastrolobium having whorled compound leaves poisonous to livestock and showy yellow to deep reddish-orange flowers followed by two-seeded pods | Synonyms: poison bush, poison pea |
|---|
| geranium | (noun) any of numerous plants of the family Geraniaceae | - |
|---|
| germanium | (noun) a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite | Synonyms: atomic number 32, Ge |
|---|
| glochidium | (noun) a barbed spine or bristle (often tufted on cacti) | Synonyms: glochid |
|---|
| glucinium | (noun) a light strong brittle grey toxic bivalent metallic element | Synonyms: atomic number 4, Be, beryllium |
|---|
| gymnasium | (noun) athletic facility equipped for sports or physical training | Synonyms: gym |
|---|
| gynoecium | (noun) a female gametoecium | - |
|---|
| gynostegium | (noun) the crown of the stamen in plants of the genus Asclepias | - |
|---|
| hafnium | (noun) a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons | Synonyms: atomic number 72, Hf |
|---|
| hahnium | (noun) a transuranic element with atomic number 105 | Synonyms: atomic number 105, Db, dubnium, element 105 |
|---|
| halobacterium | (noun) halophiles in saline environments such as the Dead Sea or salt flats | Synonyms: halobacter, halobacteria |
|---|
| harmonium | (noun) a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows | Synonyms: organ, reed organ |
|---|
| hassium | (noun) a radioactive transuranic element, with atomic number 108 | Synonyms: atomic number 108, element 108, Hs |
|---|
| haustorium | (noun) a root-like attachment in parasitic plants that penetrates and obtains food from the host | - |
|---|
| helium | (noun) a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) | Synonyms: atomic number 2, He |
|---|
| herbarium | (noun) a collection of dried plants that are mounted and systematically classified for study | - |
|---|
| holmium | (noun) a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds | Synonyms: atomic number 67, Ho |
|---|
| honorarium | (noun) a fee paid for a nominally free service | - |
|---|
| hymenium | (noun) spore-bearing layer of cells in certain fungi containing asci or basidia | - |
|---|
| hypanthium | (noun) the cuplike or ringlike or tubular structure of a flower which bears the sepals and stamens and calyx (as in Rosaceae) | Synonyms: calyx tube, floral cup |
|---|
| hypobasidium | (noun) special cell constituting the base of the basidium in various fungi especially of the order Tremellales | - |
|---|
| hypochondrium | (noun) the upper region of the abdomen just below the lowest ribs on either side of the epigastrium | - |
|---|
| ilium | (noun) the upper and widest of the three bones making up the hipbone | - |
|---|
| imperium | (noun) supreme authority; absolute dominion | - |
|---|
| (noun) the domain ruled by an emperor or empress; the region over which imperial dominion is exercised | Synonyms: empire |
| indium | (noun) a rare soft silvery metallic element; occurs in small quantities in sphalerite | Synonyms: atomic number 49, In |
|---|
| indusium | (noun) a membrane enclosing and protecting the developing spores especially that covering the sori of a fern | - |
|---|
| iridium | (noun) a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium | Synonyms: atomic number 77, Ir |
|---|
| ischium | (noun) one of the three sections of the hipbone; situated below the ilium | Synonyms: ischial bone, os ischii |
|---|
| labium | (noun) a liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva) | - |
|---|
| lawrencium | (noun) a radioactive transuranic element synthesized from californium | Synonyms: atomic number 103, Lr |
|---|
| leptosporangium | (noun) a sporangium formed from a single epidermal cell; characteristic of the Filicales or of almost all modern ferns | - |
|---|
| lithium | (noun) a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals | Synonyms: atomic number 3, Li |
|---|
| lutecium | (noun) a trivalent metallic element of the rare earth group; usually occurs in association with yttrium | Synonyms: atomic number 71, Lu, lutetium |
|---|
| lutetium | (noun) a trivalent metallic element of the rare earth group; usually occurs in association with yttrium | Synonyms: atomic number 71, Lu, lutecium |
|---|
| macrosporangium | (noun) a plant structure that produces megaspores | Synonyms: megasporangium |
|---|
| magnesium | (noun) a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) | Synonyms: atomic number 12, Mg |
|---|
| manubrium | (noun) the upper part of the breastbone | - |
|---|
| marsupium | (noun) an external abdominal pouch in most marsupials where newborn offspring are suckled | - |
|---|
| meconium | (noun) thick dark green mucoid material that is the first feces of a newborn child | - |
|---|
| medium | (noun) an occupation for which you are especially well suited | Synonyms: metier |
|---|
| (noun) an intervening substance through which signals can travel as a means for communication | - |
| (noun) a means or instrumentality for storing or communicating information | - |
| (noun) (usually plural) transmissions that are disseminated widely to the public | Synonyms: mass medium |
| (noun) the surrounding environment | - |
| (noun) someone who serves as an intermediary between the living and the dead | Synonyms: sensitive, spiritualist |
| (noun) a state that is intermediate between extremes; a middle position | - |
| (noun) (bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms | Synonyms: culture medium |
| (noun) (biology) a substance in which specimens are preserved or displayed | - |
| (noun) a liquid with which pigment is mixed by a painter | - |
| (noun) an intervening substance through which something is achieved | - |
| megasporangium | (noun) a plant structure that produces megaspores | Synonyms: macrosporangium |
|---|
| meitnerium | (noun) a radioactive transuranic element, with atomic number 109 | Synonyms: atomic number 109, element 109, Mt |
|---|
| mendelevium | (noun) a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol) | Synonyms: atomic number 101, Md, Mv |
|---|
| mesothelium | (noun) epithelium originating in the embryonic mesoderm; lines the primordial body cavity | - |
|---|
| microsporangium | (noun) a plant structure that produces microspores | - |
|---|
| milium | (noun) a small whitish lump in the skin due to a clogged sebaceous gland | Synonyms: whitehead |
|---|
| millennium | (noun) a span of 1000 years | Synonyms: millenary |
|---|
| (noun) (New Testament) in the Book of Revelation it is foretold that those faithful to Jesus will reign with Jesus over the earth for a thousand years; the meaning of these words have been much debated; some denominations (e.g. Jehovah's Witnesses) expect it to be a thousand years of justice and peace and happiness | - |
| (noun) the 1000th anniversary (or the celebration of it) | Synonyms: millenary |
| minium | (noun) a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics | Synonyms: red lead |
|---|
| moratorium | (noun) suspension of an ongoing activity | - |
|---|
| (noun) a legally authorized postponement before some obligation must be discharged | - |
| mycelium | (noun) the vegetative part of a fungus consisting of a mass of branching threadlike hyphae | - |
|---|
| mycobacterium | (noun) rod-shaped bacteria some saprophytic or causing diseases | Synonyms: mycobacteria |
|---|
| myocardium | (noun) the middle muscular layer of the heart wall | - |
|---|
| myometrium | (noun) the smooth muscle forming the wall of the uterus | - |
|---|
| myxobacterium | (noun) bacteria that form colonies in self-produced slime; inhabit moist soils or decaying plant matter or animal waste | Synonyms: gliding bacteria, myxobacter, myxobacteria, slime bacteria |
|---|
| nasturtium | (noun) flowers and seeds and leaves all used as flavorings | - |
|---|
| (noun) any tropical American plant of the genus Tropaeolum having pungent juice and long-spurred yellow to red flowers | - |
| natatorium | (noun) pool that provides a facility for swimming | Synonyms: swimming bath, swimming pool |
|---|
| neodymium | (noun) a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium | Synonyms: atomic number 60, Nd |
|---|
| neopallium | (noun) the cortical part of the neencephalon | Synonyms: neocortex |
|---|
| neptunium | (noun) a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium | Synonyms: atomic number 93, Np |
|---|
| neuroepithelium | (noun) epithelium associated with special sense organs and containing sensory nerve endings | - |
|---|
| niobium | (noun) a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium | Synonyms: atomic number 41, Nb |
|---|
| nitrobacterium | (noun) any of the bacteria in the soil that take part in the nitrogen cycle; they oxidize ammonium compounds into nitrites or oxidize nitrites into nitrates | - |
|---|
| nobelium | (noun) a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known | Synonyms: atomic number 102, No |
|---|
| odium | (noun) hate coupled with disgust | Synonyms: abhorrence, abomination, detestation, execration, loathing |
|---|
| (noun) state of disgrace resulting from detestable behavior | - |
| ommatidium | (noun) any of the numerous small cone-shaped eyes that make up the compound eyes of some arthropods | - |
|---|
| oncidium | (noun) any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants | Synonyms: butterfly orchid, butterfly plant, dancing lady orchid |
|---|
| opium | (noun) an addictive narcotic extracted from seed capsules of the opium poppy | - |
|---|
| opprobrium | (noun) a state of extreme dishonor | Synonyms: infamy |
|---|
| (noun) state of disgrace resulting from public abuse | Synonyms: obloquy |
| osmiridium | (noun) a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc. | Synonyms: iridosmine |
|---|
| osmium | (noun) a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known | Synonyms: atomic number 76, Os |
|---|
| ostensorium | (noun) (Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration | Synonyms: monstrance |
|---|
| palladium | (noun) a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry | Synonyms: atomic number 46, Pd |
|---|
| pallium | (noun) cloak or mantle worn by men in ancient Rome | - |
|---|
| (noun) (Roman Catholic Church) vestment consisting of a band encircling the shoulders with two lappets hanging in front and back | - |
| (noun) (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell | Synonyms: mantle |
| (noun) the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum | Synonyms: cerebral cortex, cerebral mantle, cortex |
| pandemonium | (noun) a state of extreme confusion and disorder | Synonyms: bedlam, chaos, topsy-turvydom, topsy-turvyness |
|---|
| paramecium | (noun) any member of the genus Paramecium | Synonyms: paramecia |
|---|
| parapodium | (noun) one of a pair of fleshy appendages of a polychete annelid that functions in locomotion and breathing | - |
|---|
| penetralium | (noun) the innermost parts | - |
|---|
| pericardium | (noun) a serous membrane with two layers that surrounds the heart | - |
|---|
| peridium | (noun) outer layer of the spore-bearing organ in many fungi | - |
|---|
| perigonium | (noun) collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils | Synonyms: chlamys, floral envelope, perianth, perigone |
|---|
| perimysium | (noun) the sheath of connective tissue that covers a bundle of muscle fibers | - |
|---|
| perineurium | (noun) the sheath of connective tissue that covers a bundle of nerve fibers | - |
|---|
| perithecium | (noun) flask-shaped ascocarp | - |
|---|
| perithelium | (noun) tissue layer around small blood vessels | - |
|---|
| phoenicophorium | (noun) latanier palm | Synonyms: genus Phoenicophorium |
|---|
| planetarium | (noun) an apparatus or model for representing the solar systems | - |
|---|
| (noun) an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome | - |
| (noun) a building housing an instrument for projecting the positions of the planets onto a domed ceiling | - |
| plasmodium | (noun) parasitic protozoan of the genus Plasmodium that causes malaria in humans | Synonyms: malaria parasite, Plasmodium vivax |
|---|
| (noun) multinucleate sheet of cytoplasm characteristic of some stages of such organisms as slime molds | - |
| plutonium | (noun) a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 | Synonyms: atomic number 94, Pu |
|---|
| podetium | (noun) an organ or body resembling a stalk; especially the outgrowth of the thallus of certain lichens on which the ascocarp is borne | - |
|---|
| podium | (noun) a platform raised above the surrounding level to give prominence to the person on it | Synonyms: ambo, dais, pulpit, rostrum, soapbox, stump |
|---|
| polemonium | (noun) any plant of the genus Polemonium; most are low-growing often foul-smelling plants of temperate to Arctic regions | - |
|---|