| monazite | (noun) a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium | - |
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| morganite | (noun) a kind of pink beryl used as a gemstone | - |
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| multipartite | (adjective) involving more than two parties | - |
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| muscovite | (noun) a colorless or pale brown mica with potassium | - |
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| natrolite | (noun) a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum | - |
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| nephelinite | (noun) an igneous rock consisting of nepheline and pyroxene | - |
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| nephelite | (noun) a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels | Synonyms: nepheline |
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| nephrite | (noun) an amphibole mineral consisting of calcium magnesium silicate in monoclinic crystalline form; a source of jade that is less valuable than from jadeite; once believed to cure kidney disorders | - |
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| niobite | (noun) a black mineral that is an ore of niobium and tantalum | Synonyms: columbite |
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| nitrite | (noun) the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid) | - |
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| nitrocalcite | (noun) the mineral form of calcium nitrate | - |
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| nonfinite | (adjective) (of verbs) not having tense, person, or number (as a participle or gerund or infinitive) | Synonyms: infinite, non-finite |
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| nummulite | (noun) large fossil protozoan of the Tertiary period | - |
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| olivenite | (noun) rare green to black mineral consisting of hydrated copper arsenate that is found in copper deposits | - |
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| opposite | (adjective) of leaves etc; growing in pairs on either side of a stem | Synonyms: paired |
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| (adjective) characterized by opposite extremes; completely opposed | Synonyms: diametric, diametrical, polar |
| (adjective) the other one of a complementary pair | - |
| (adjective) being directly across from each other; facing | - |
| (adjective) altogether different in nature or quality or significance | - |
| (adjective) moving or facing away from each other | - |
| (noun) a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other | Synonyms: antonym, opposite word |
| (noun) a contestant that you are matched against | Synonyms: opponent, opposition |
| (noun) a relation of direct opposition | Synonyms: contrary, reverse |
| (noun) something inverted in sequence or character or effect | Synonyms: inverse |
| (adverb) directly facing each other | Synonyms: face-to-face, face to face |
| overbite | (noun) (dentistry) malocclusion in which the upper teeth extend abnormally far over the lower teeth | - |
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| overwrite | (verb) write new data on top of existing data and thus erase the previously existing data | - |
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| ozocerite | (noun) a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles | Synonyms: ader wax, earth wax, mineral wax, ozokerite |
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| ozokerite | (noun) a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles | Synonyms: ader wax, earth wax, mineral wax, ozocerite |
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| pallasite | (noun) a meteorite composed principally of olivine and metallic iron | - |
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| paragonite | (noun) a colorless or pale brown mica with sodium | - |
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| parasite | (noun) an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host | - |
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| (noun) a follower who hangs around a host (without benefit to the host) in hope of gain or advantage | Synonyms: leech, sponge, sponger |
| pearlite | (noun) a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron | - |
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| pegmatite | (noun) a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements | - |
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| pentlandite | (noun) a mineral (iron and nickel sulphide) that is the chief ore of nickel | - |
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| peridotite | (noun) a dark coarse-grained igneous rock consisting principally of olivine | - |
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| perquisite | (noun) a right reserved exclusively by a particular person or group (especially a hereditary or official right) | Synonyms: exclusive right, prerogative, privilege |
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| (noun) an incidental benefit awarded for certain types of employment (especially if it is regarded as a right) | Synonyms: fringe benefit, perk |
| petite | (adjective) very small | Synonyms: bantam, diminutive, flyspeck, lilliputian, midget, tiny |
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| (noun) a garment size for short or slender women | - |
| phillipsite | (noun) a group of white or reddish crystalline minerals of the zeolite family consisting of a hydrous silicate of calcium and potassium and aluminum | - |
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| phlogopite | (noun) a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum | - |
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| pinite | (noun) grey or green or brown mineral similar to mica and containing aluminum and potassium sulphates | - |
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| plebiscite | (noun) a vote by the electorate determining public opinion on a question of national importance | - |
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| polite | (adjective) showing regard for others in manners, speech, behavior, etc. | - |
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| (adjective) not rude; marked by satisfactory (or especially minimal) adherence to social usages and sufficient but not noteworthy consideration for others | Synonyms: civil |
| (adjective) marked by refinement in taste and manners | Synonyms: civilised, civilized, cultivated, cultured, genteel |
| pollucite | (noun) a rare mineral that is an important source of cesium | - |
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| prerequisite | (adjective) required as a prior condition or course of study | - |
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| (noun) something that is required in advance | Synonyms: requirement |
| preterite | (noun) a term formerly used to refer to the simple past tense | Synonyms: preterit |
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| pseudohermaphrodite | (adjective) having internal reproductive organs of one sex and external sexual characteristics of the other sex | Synonyms: pseudohermaphroditic |
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| (noun) someone having external genitalia of one sex and internal sex organs of the other sex; not a true hermaphrodite because there is no ambiguity in the sex of the external genitalia and hence no question about gender at birth | - |
| pyrite | (noun) a common mineral (iron disulfide) that has a pale yellow color | Synonyms: fool's gold, iron pyrite |
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| pyrolusite | (noun) a mineral consisting of manganese dioxide; an important source of manganese | - |
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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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| pyrophyllite | (noun) a white or greenish aluminum silicate mineral (resembles talc) | - |
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| pyrrhotite | (noun) a brownish iron sulfide mineral (FeS) having weak magnetic properties | Synonyms: magnetic pyrites, pyrrhotine |
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| quadripartite | (adjective) involving four parties | Synonyms: four-party |
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| quartzite | (noun) hard metamorphic rock consisting essentially of interlocking quartz crystals | - |
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| quite | (adverb) to the greatest extent; completely | - |
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| (adverb) to a degree (not used with a negative) | Synonyms: rather |
| (adverb) of an unusually noticeable or exceptional or remarkable kind (not used with a negative) | Synonyms: quite a, quite an |
| (adverb) actually or truly or to an extreme | - |
| ratite | (noun) flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches, cassowaries, emus, moas, rheas, kiwis, elephant birds | Synonyms: flightless bird, ratite bird |
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| recite | (verb) repeat aloud from memory | - |
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| (verb) narrate or give a detailed account of | Synonyms: narrate, recount, tell |
| (verb) recite in elocution | Synonyms: declaim |
| (verb) specify individually | Synonyms: enumerate, itemise, itemize |
| (verb) render verbally | Synonyms: retell |
| recondite | (adjective) difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge | Synonyms: abstruse, deep |
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| reignite | (verb) ignite anew, as of something burning | - |
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| rensselaerite | (noun) a kind of soft talc; sometimes used as wood filler | - |
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| requisite | (adjective) necessary for relief or supply | Synonyms: needed, needful, required |
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| (noun) anything indispensable | Synonyms: essential, necessary, necessity, requirement |
| requite | (verb) make repayment for or return something | Synonyms: repay |
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| respite | (noun) a pause from doing something (as work) | Synonyms: break, recess, time out |
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| (noun) the act of reprieving; postponing or remitting punishment | Synonyms: reprieve |
| (noun) an interruption in the intensity or amount of something | Synonyms: abatement, hiatus, reprieve, suspension |
| (noun) a (temporary) relief from harm or discomfort | Synonyms: reprieve |
| (noun) a pause for relaxation | Synonyms: relief, rest, rest period |
| (verb) postpone the punishment of a convicted criminal, such as an execution | Synonyms: reprieve |
| reunite | (verb) have a reunion; unite again | - |
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| (verb) unify again, as of a country | Synonyms: reunify |
| rewrite | (noun) something that has been written again | Synonyms: rescript, revision |
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| (verb) write differently; alter the writing of | - |
| (verb) rewrite so as to make fit to suit a new or different purpose | - |
| rhodochrosite | (noun) a mineral consisting of manganese carbonate; a source of manganese | - |
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| rhodolite | (noun) a red or pink variety of garnet used as a gemstone | - |
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| rhodonite | (noun) a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone | - |
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| rhyolite | (noun) very acid volcanic rock | - |
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| rite | (noun) any customary observance or practice | Synonyms: ritual |
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| (noun) an established ceremony prescribed by a religion | Synonyms: religious rite |
| samarskite | (noun) a complex black mineral occurring in pegmatites | - |
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| samite | (noun) a heavy silk fabric (often woven with silver or gold threads); used to make clothing in the Middle Ages | - |
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| saprolite | (noun) a deposit of clay and disintegrating rock that is found in its original place | - |
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| satellite | (adjective) surrounding and dominated by a central authority or power | - |
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| (noun) man-made equipment that orbits around the earth or the moon | Synonyms: artificial satellite, orbiter |
| (noun) any celestial body orbiting around a planet or star | - |
| (noun) a person who follows or serves another | Synonyms: planet |
| (verb) broadcast or disseminate via satellite | - |
| scheelite | (noun) a mineral used as an ore of tungsten | - |
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| sclerite | (noun) hard plate or element of the exoskeleton of some arthropods | - |
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| selenite | (noun) a compound that contains a SeO32− anion. | - |
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| semiparasite | (noun) a parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis | Synonyms: hemiparasite |
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| sepiolite | (noun) a white clayey mineral | Synonyms: meerschaum |
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| shite | (noun) obscene terms for feces | Synonyms: crap, dirt, poop, shit, turd |
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| siderite | (noun) a meteorite consisting principally of nickel and iron | - |
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| (noun) iron ore in the form of ferrous carbonate | Synonyms: chalybite |
| site | (noun) a computer connected to the internet that maintains a series of web pages on the World Wide Web; a computer connected to the internet that maintains a series of web pages on the World Wide Web | Synonyms: internet site, web site, website |
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| (noun) the piece of land on which something is located (or is to be located) | Synonyms: land site |
| (noun) physical position in relation to the surroundings | Synonyms: situation |
| (verb) assign a location to | Synonyms: locate, place |
| smaltite | (noun) a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel | - |
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| smite | (verb) cause physical pain or suffering in | Synonyms: afflict |
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| (verb) inflict a heavy blow on, with the hand, a tool, or a weapon | - |
| (verb) affect suddenly with deep feeling | - |
| smithsonite | (noun) a mineral ore of zinc. | Synonyms: zinc spar |
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| snakebite | (noun) a bite inflicted by a (venomous) snake | - |
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| socialite | (noun) a socially prominent person | - |
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| sodalite | (noun) a vitreous mineral consisting of sodium aluminum silicate and sodium chloride in crystalline form; occurs in igneous rocks | - |
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| sodomite | (noun) someone who engages in anal copulation (especially a male who engages in anal copulation with another male) | Synonyms: bugger, sod, sodomist |
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| somite | (noun) one of a series of similar body segments into which some animals are divided longitudinally | Synonyms: metamere |
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| sphalerite | (noun) an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form | Synonyms: blende, zinc blende |
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| spite | (noun) malevolence by virtue of being malicious or spiteful or nasty | Synonyms: bitchiness, cattiness, nastiness, spitefulness |
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| (noun) feeling a need to see others suffer | Synonyms: malice, maliciousness, spitefulness, venom |
| (verb) hurt the feelings of | Synonyms: bruise, hurt, injure, offend, wound |
| sporozoite | (noun) one of the minute active bodies into which sporozoans divide in one stage of their life cycle | - |
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| sprite | (noun) a small being, human in form, playful and having magical powers | Synonyms: faerie, faery, fairy, fay |
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| stalactite | (noun) a cylinder of calcium carbonate hanging from the roof of a limestone cave | - |
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| stalagmite | (noun) a cylinder of calcium carbonate projecting upward from the floor of a limestone cave | - |
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| stannite | (noun) a dark grey mineral with a metallic luster that is a source of tin | Synonyms: tin pyrites |
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| steatite | (noun) a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments | Synonyms: soap-rock, soaprock, soapstone |
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| stibnite | (noun) a soft grey mineral; the chief ore of antimony | - |
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| strontianite | (noun) a mineral consisting of strontium carbonate | - |
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| stylite | (noun) an early Christian ascetic who lived on top of high pillars | - |
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| suburbanite | (noun) a resident of a suburb | - |
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| suite | (noun) apartment consisting of a series of connected rooms used as a living unit (as in a hotel) | Synonyms: rooms |
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| (noun) a musical composition of several movements only loosely connected | - |
| (noun) the group following and attending to some important person | Synonyms: cortege, entourage, retinue |
| (noun) a matching set of furniture | - |
| sybarite | (noun) a person addicted to luxury and pleasures of the senses | Synonyms: voluptuary |
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| sylvanite | (noun) a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America | Synonyms: graphic tellurium |
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| sylvite | (noun) a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds | Synonyms: sylvine |
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| tachylite | (noun) a basic or basalt glass | - |
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| taconite | (noun) a variety of chert containing magnetite and hematite; mined as a low-grade iron ore | - |
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| tantalite | (noun) a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum | - |
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| tektite | (noun) thought to derive from meteorites | - |
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