| luminance | (noun) the quality of being luminous; emitting or reflecting light | Synonyms: brightness, brightness level, light, luminosity, luminousness |
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| luminary | (noun) a celebrity who is an inspiration to others | Synonyms: guiding light, leading light, notability, notable |
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| luminesce | (verb) be or become luminescent; exhibit luminescence | - |
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| luminescence | (noun) light from nonthermal sources | Synonyms: glow |
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| (noun) light not due to incandescence; occurs at low temperatures | - |
| luminescent | (adjective) emitting light not caused by heat | - |
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| luminism | (noun) an artistic movement in the United States that was derived from the Hudson River school; active from 1850 to 1870; painted realistic landscapes in a style that pictured atmospheric light and the use of aerial perspective | - |
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| luminosity | (noun) the quality of being luminous; emitting or reflecting light | Synonyms: brightness, brightness level, light, luminance, luminousness |
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| luminous | (adjective) softly bright or radiant | Synonyms: aglow, lambent, lucent |
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| luminousness | (noun) the quality of being luminous; emitting or reflecting light | Synonyms: brightness, brightness level, light, luminance, luminosity |
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| lumma | (noun) 100 lumma equal 1 dram in Armenia | - |
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| lummox | (noun) an awkward stupid person | Synonyms: clod, gawk, goon, lout, lubber, lump, oaf, stumblebum |
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| lump | (noun) a compact mass | Synonyms: ball, chunk, clod, clump, glob |
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| (noun) a large piece of something without definite shape | Synonyms: hunk |
| (noun) an awkward stupid person | Synonyms: clod, gawk, goon, lout, lubber, lummox, oaf, stumblebum |
| (noun) an abnormal protuberance or localized enlargement | Synonyms: puffiness, swelling |
| (verb) group or chunk together in a certain order or place side by side | Synonyms: chunk, collocate |
| (verb) put together indiscriminately | Synonyms: chunk |
| lumpectomy | (noun) surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer | - |
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| lumpen | (adjective) mentally sluggish | Synonyms: lumpish, unthinking |
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| lumpenproletariat | (noun) (Marxism) the unorganized lower levels of the proletariat who are not interested in revolutionary advancement | - |
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| lumper | (noun) a taxonomist who classifies organisms into large groups on the basis of major characteristics | - |
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| (noun) a laborer who loads and unloads vessels in a port | Synonyms: dock-walloper, dock worker, docker, dockhand, dockworker, loader, longshoreman, stevedore |
| lumpfish | (noun) clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar | Synonyms: Cyclopterus lumpus |
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| lumpiness | (noun) The property of being full of lumps, not being smooth. | - |
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| lumpish | (adjective) mentally sluggish | Synonyms: lumpen, unthinking |
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| lumpsucker | (noun) any of several very small lumpfishes | - |
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| lumpy | (adjective) having lumps; not smooth and even in texture | - |
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| (adjective) like or containing small sticky lumps | Synonyms: chunky |
| noncolumned | (adjective) not having columns | Synonyms: uncolumned |
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| operculum | (noun) a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted | - |
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| ossiculum | (noun) a small bone; especially one in the middle ear | Synonyms: bonelet, ossicle |
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| pablum | (noun) worthless or oversimplified ideas | Synonyms: pap |
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| pabulum | (noun) insipid intellectual nourishment | - |
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| (noun) any substance that can be used as food | Synonyms: comestible, eatable, edible, victual, victuals |
| paleocerebellum | (noun) the anterior lobe of the cerebellum which was one of the earliest parts of the hindbrain to develop in mammals | - |
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| paspalum | (noun) tall tufted perennial tropical American grass naturalized as pasture and forage grass in southern United States | Synonyms: dallis grass, dallisgrass, Paspalum dilatatum |
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| pendulum | (noun) an apparatus consisting of an object mounted so that it swings freely under the influence of gravity | - |
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| peplum | (noun) a flared ruffle attached to the waistline of a dress or jacket or blouse | - |
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| (noun) a garment worn by women in ancient Greece; cloth caught at the shoulders and draped in folds to the waist | Synonyms: peplos, peplus |
| phylum | (noun) (biology) the major taxonomic group of animals and plants; contains classes | - |
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| (noun) (linguistics) a large group of languages that are historically related | - |
| plum | (noun) a highly desirable position or assignment | - |
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| (noun) any of numerous varieties of small to medium-sized round or oval fruit having a smooth skin and a single pit | - |
| (noun) any of several trees producing edible oval fruit having a smooth skin and a single hard stone | Synonyms: plum tree |
| (adverb) exactly | Synonyms: plumb |
| (adverb) completely; used as intensifiers | Synonyms: clean, plumb |
| plumage | (noun) the light horny waterproof structure forming the external covering of birds | Synonyms: plume |
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| plumaged | (adjective) having or covered in plumage; often used as a combining form | - |
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| plumate | (adjective) having an ornamental plume or feathery tuft | Synonyms: plumed, plumose |
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| plumb | (adjective) exactly vertical | - |
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| (noun) the metal bob of a plumb line | Synonyms: plumb bob, plummet |
| (adverb) conforming to the direction of a plumb line | - |
| (adverb) exactly | Synonyms: plum |
| (adverb) completely; used as intensifiers | Synonyms: clean, plum |
| (verb) adjust with a plumb line so as to make vertical | - |
| (verb) measure the depth of something | - |
| (verb) examine thoroughly and in great depth | - |
| (verb) weight with lead | - |
| plumbable | (adjective) (of depth) capable of being sounded or measured for depth | Synonyms: fathomable, soundable |
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| plumbaginaceous | (adjective) of or pertaining to or characteristic of plants of the family Plumbaginaceae | - |
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| plumbago | (noun) any plumbaginaceous plant of the genus Plumbago | - |
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| (noun) used as a lubricant and as a moderator in nuclear reactors | Synonyms: black lead, graphite |
| plumber | (noun) a craftsman who installs and repairs pipes and fixtures and appliances | Synonyms: pipe fitter |
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| plumbery | (noun) the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building) | Synonyms: plumbing |
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| plumbic | (adjective) relating to or consisting of lead | Synonyms: plumbous |
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| plumbing | (noun) measuring the depths of the oceans | Synonyms: bathymetry |
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| (noun) the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building) | Synonyms: plumbery |
| (noun) utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage | Synonyms: plumbing system |
| plumbism | (noun) toxic condition produced by the absorption of excessive lead into the system | Synonyms: lead poisoning, saturnism |
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| plumbous | (adjective) relating to or consisting of lead | Synonyms: plumbic |
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| plumcot | (noun) hybrid between plum and apricot | - |
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| (noun) hybrid produced by crossing Prunus domestica and Prunus armeniaca | Synonyms: plumcot tree |
| plume | (noun) the light horny waterproof structure forming the external covering of birds | Synonyms: plumage |
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| (noun) a feather or cluster of feathers worn as an ornament | - |
| (noun) anything that resembles a feather in shape or lightness | - |
| (verb) dress or groom with elaborate care | Synonyms: dress, preen, primp |
| (verb) form a plume | - |
| (verb) clean with one's bill | Synonyms: preen |
| (verb) deck with a plume | - |
| (verb) be proud of | Synonyms: congratulate, pride |
| (verb) rip off; ask an unreasonable price | Synonyms: fleece, gazump, hook, overcharge, pluck, rob, soak, surcharge |
| plumed | (adjective) (of a knight's helmet) having a decorative plume | Synonyms: crested |
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| (adjective) having an ornamental plume or feathery tuft | Synonyms: plumate, plumose |
| (adjective) having or covered with or abounding in plumes | Synonyms: plumy |
| plumelike | (adjective) resembling a plume | Synonyms: plumy |
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| plumlike | (adjective) resembling a plum fruit | - |
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| plummet | (noun) the metal bob of a plumb line | Synonyms: plumb, plumb bob |
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| (verb) drop sharply | Synonyms: plump |
| plummy | (adjective) (of a voice) affectedly mellow and rich | - |
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| (adjective) very desirable | - |
| plumose | (adjective) having an ornamental plume or feathery tuft | Synonyms: plumate, plumed |
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| plump | (adjective) sufficiently fat so as to have a pleasing fullness of figure | Synonyms: chubby, embonpoint |
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| (noun) the sound of a sudden heavy fall | - |
| (adverb) straight down especially heavily or abruptly | - |
| (verb) give support (to) or make a choice (of) one out of a group or number | Synonyms: go |
| (verb) make fat or plump | Synonyms: fat, fatten, fatten out, fatten up, fill out, flesh out, plump out |
| (verb) set (something or oneself) down with or as if with a noise | Synonyms: flump, plank, plonk, plop, plump down, plunk, plunk down |
| (verb) drop sharply | Synonyms: plummet |
| plumping | (adjective) very large; of exceptional size for its kind | - |
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| plumpness | (noun) the bodily property of being well rounded | Synonyms: embonpoint, roundness |
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| plumule | (noun) down feather of young birds; persists in some adult birds | - |
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| plumy | (adjective) adorned with feathers or plumes | Synonyms: feathered, feathery |
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| (adjective) having or covered with or abounding in plumes | Synonyms: plumed |
| (adjective) resembling a plume | Synonyms: plumelike |
| reticulum | (noun) the second compartment of the stomach of a ruminant | Synonyms: second stomach |
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| (noun) any fine network (especially one in the body composed of cells or blood vessels) | - |
| siglum | (noun) a sign, abbreviation, letter, or character standing for words in ancient manuscripts or on coins or medals. | - |
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| slum | (noun) a district of a city marked by poverty and inferior living conditions | Synonyms: slum area |
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| (verb) spend time at a lower socio-economic level than one's own, motivated by curiosity or desire for adventure; usage considered condescending and insensitive | - |
| slumber | (noun) a dormant or quiescent state | - |
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| (noun) a natural and periodic state of rest during which consciousness of the world is suspended | Synonyms: sleep |
| (verb) be asleep | Synonyms: catch some Z's, kip, log Z's, sleep |
| slumberer | (noun) a rester who is sleeping | Synonyms: sleeper |
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| slumberous | (adjective) inclined to or marked by drowsiness | Synonyms: slumbery, slumbrous, somnolent |
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| (adjective) quiet and tranquil | Synonyms: slumbrous |
| slumbery | (adjective) inclined to or marked by drowsiness | Synonyms: slumberous, slumbrous, somnolent |
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| slumbrous | (adjective) inclined to or marked by drowsiness | Synonyms: slumberous, slumbery, somnolent |
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| (adjective) quiet and tranquil | Synonyms: slumberous |
| slumgullion | (noun) a thin stew of meat and vegetables | - |
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| slummy | (adjective) (of housing or residential areas) indicative of poverty | - |
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| slump | (noun) a noticeable deterioration in performance or quality | Synonyms: drop-off, falling off, falloff, slack |
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| (noun) a long-term economic state characterized by unemployment and low prices and low levels of trade and investment | Synonyms: depression, economic crisis |
| (verb) fall heavily or suddenly; decline markedly | Synonyms: fall off, sink |
| (verb) fall or sink heavily | Synonyms: sink, slide down |
| (verb) assume a drooping posture or carriage | Synonyms: slouch |
| (verb) fall in value | Synonyms: correct, decline |
| slumpflation | (noun) a situation in which economic depression is combined with increasing inflation. | - |
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| spathiphyllum | (noun) any of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamental | Synonyms: peace lily, spathe flower |
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| speculum | (noun) a medical instrument for dilating a bodily passage or cavity in order to examine the interior | - |
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| (noun) a mirror (especially one made of polished metal) for use in an optical instrument | - |
| spiculum | (noun) small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals | Synonyms: spicule |
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| spirillum | (noun) any flagellated aerobic bacteria having a spirally twisted rodlike form | Synonyms: spirilla |
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| (noun) spirally twisted elongate rodlike bacteria usually living in stagnant water | - |
| subphylum | (noun) (biology) a taxonomic group ranking between a phylum and a class | - |
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| sugarplum | (noun) any of various small sugary candies | - |
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| superphylum | (noun) (biology) a taxonomic group ranking between a phylum and below a class or subclass | - |
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| tantalum | (noun) a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite | Synonyms: atomic number 73, Ta |
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| uncolumned | (adjective) not having columns | Synonyms: noncolumned |
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| unilluminated | (adjective) without illumination | Synonyms: lightless, unlighted, unlit |
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| unilluminating | (adjective) failing to inform or clarify | Synonyms: unenlightening |
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| unplumbed | (adjective) situated at or extending to great depth; too deep to have been sounded or plumbed | Synonyms: profound, unfathomed, unsounded |
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| vellum | (noun) fine parchment prepared from the skin of a young animal e.g. a calf or lamb | - |
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| (noun) a heavy creamy-colored paper resembling parchment | - |
| velum | (noun) a muscular flap that closes off the nasopharynx during swallowing or speaking | Synonyms: soft palate |
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| (noun) a membranous covering attached to the immature fruiting body of certain mushrooms | Synonyms: veil |
| volume | (noun) physical objects consisting of a number of pages bound together | Synonyms: book |
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| (noun) the magnitude of sound (usually in a specified direction) | Synonyms: intensity, loudness |
| (noun) the property of something that is great in magnitude | Synonyms: bulk, mass |
| (noun) a publication that is one of a set of several similar publications | - |
| (noun) the amount of 3-dimensional space occupied by an object | - |
| (noun) a relative amount | - |
| volumed | (adjective) (often used in combination) consisting of or having a given number or kind of volumes | - |
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| (adjective) furnished with volumes | - |
| (adjective) formed or rising in rounded masses | - |
| volumeter | (noun) a meter to measure the volume of gases, liquids, or solids (either directly or by displacement) | - |
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| volumetric | (adjective) of or relating to measurement by volume | Synonyms: volumetrical |
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| volumetrical | (adjective) of or relating to measurement by volume | Synonyms: volumetric |
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| volumetrically | (adverb) with respect to volume | - |
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| voluminosity | (noun) greatness of volume | Synonyms: fullness, voluminousness |
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| voluminous | (adjective) large in number or quantity (especially of discourse) | Synonyms: copious |
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| (adjective) marked by repeated turns and bends | Synonyms: tortuous, twisting, twisty, winding |
| (adjective) large in volume or bulk | - |
| voluminously | (adverb) in a voluminous manner | - |
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| voluminousness | (noun) greatness of volume | Synonyms: fullness, voluminosity |
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| whatchamacallum | (noun) something unspecified whose name is either forgotten or not known | Synonyms: dojigger, doodad, doohickey, gimmick, gismo, gizmo, gubbins, thingamabob, thingamajig, thingmabob, thingmajig, thingumabob, thingumajig, thingummy, whatchamacallit, whatsis, widget |
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