| infrared | (noun) the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range | Synonyms: infrared frequency |
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| (noun) electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves | Synonyms: infrared emission, infrared light, infrared radiation |
| insured | (noun) a person whose interests are protected by an insurance policy; a person who contracts for an insurance policy that indemnifies him against loss of property or life or health etc. | Synonyms: insured person |
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| ironweed | (noun) any of various plants of the genus Vernonia of tropical and warm regions of especially North America that take their name from their loose heads of purple to rose flowers that quickly take on a rusty hue | Synonyms: vernonia |
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| jewelweed | (noun) North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil | Synonyms: celandine, Impatiens capensis, lady's earrings, orange balsam, touch-me-not |
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| jimsonweed | (noun) intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits | Synonyms: apple of Peru, common thorn apple, Datura stramonium, Jamestown weed, jimson weed |
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| kindred | (noun) group of people related by blood or marriage | Synonyms: clan, kin, kin group, kinship group, tribe |
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| knapweed | (noun) any of various plants of the genus Centaurea having purple thistlelike flowers | - |
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| lied | (noun) a German art song of the 19th century for voice and piano | - |
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| limited | (noun) public transport consisting of a fast train or bus that makes only a few scheduled stops | Synonyms: express |
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| linseed | (noun) the seed of flax used as a source of oil | Synonyms: flaxseed |
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| locoweed | (noun) street names for marijuana | Synonyms: dope, gage, grass, green goddess, Mary Jane, pot, sens, sess, skunk, smoke, weed |
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| (noun) any of several leguminous plants of western North America causing locoism in livestock | Synonyms: crazy weed, crazyweed |
| maimed | (noun) people who are wounded | Synonyms: wounded |
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| malted | (noun) a milkshake made with malt powder | Synonyms: malt, malted milk |
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| markweed | (noun) climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact | Synonyms: poison ivy, poison mercury, poison oak, Rhus radicans, Toxicodendron radicans |
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| married | (noun) a person who is married | - |
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| matchweed | (noun) any of several plants of the genus Gutierrezia having tiny flower heads that resemble the heads of matches | Synonyms: matchbush |
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| maxilliped | (noun) One of a set of three paired appendages on the thorax of a decapod crustacean, located just posterior to the maxillae and used in feeding. | Synonyms: gnathopod |
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| mayweed | (noun) widespread rank-smelling weed having white-rayed flower heads with yellow discs | Synonyms: Anthemis cotula, dog fennel, stinking chamomile, stinking mayweed |
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| meed | (noun) a fitting reward | - |
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| milkweed | (noun) any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts | Synonyms: silkweed |
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| (noun) annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower heads | Synonyms: Sonchus oleraceus |
| milliped | (noun) any of numerous herbivorous nonpoisonous arthropods having a cylindrical body of 20 to 100 or more segments most with two pairs of legs | Synonyms: millepede, millipede |
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| misdeed | (noun) improper or wicked or immoral behavior | Synonyms: misbehavior, misbehaviour |
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| moonseed | (noun) plant of the family Menispermaceae having red or black fruit with crescent- or ring-shaped seeds | - |
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| moped | (noun) a motorbike that can be pedaled or driven by a low-powered gasoline engine | - |
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| need | (noun) the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior | Synonyms: motivation, motive |
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| (noun) anything that is necessary but lacking | Synonyms: want |
| (noun) a condition requiring relief | Synonyms: demand |
| (noun) a state of extreme poverty or destitution | Synonyms: indigence, pauperism, pauperization, penury |
| newlywed | (noun) someone recently married | Synonyms: honeymooner |
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| nitweed | (noun) annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers | Synonyms: Hypericum gentianoides, orange grass, pine-weed, pineweed |
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| nosebleed | (noun) bleeding from the nose | Synonyms: epistaxis |
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| oersted | (noun) the magnetic field strength 1 cm from a unit magnetic pole | - |
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| oilseed | (noun) any of several seeds that yield oil | Synonyms: oil-rich seed |
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| parallelepiped | (noun) a prism whose bases are parallelograms | Synonyms: parallelepipedon, parallelopiped, parallelopipedon |
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| parallelopiped | (noun) a prism whose bases are parallelograms | Synonyms: parallelepiped, parallelepipedon, parallelopipedon |
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| pearlweed | (noun) any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls | Synonyms: pearl-weed, pearlwort |
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| pickerelweed | (noun) American plant having spikes of blue flowers and growing in shallow water of streams and ponds | Synonyms: pickerel weed, Pontederia cordata, wampee |
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| pigweed | (noun) leaves collected from the wild | Synonyms: lamb's-quarter, wild spinach |
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| (noun) common weedy European plant introduced into North America; often used as a potherb | Synonyms: Chenopodium album, lamb's-quarters, wild spinach |
| (noun) leaves sometimes used as potherbs; seeds used as cereal; southern United States to Central America; India and China | Synonyms: Amaranthus hypochondriacus |
| pineweed | (noun) annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers | Synonyms: Hypericum gentianoides, nitweed, orange grass, pine-weed |
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| pinnatiped | (noun) aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers | Synonyms: pinniped, pinniped mammal |
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| pinniped | (noun) aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers | Synonyms: pinnatiped, pinniped mammal |
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| pokeweed | (noun) perennial of the genus Phytolacca | - |
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| pondweed | (noun) any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae | - |
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| (noun) submerged freshwater perennials | Synonyms: ditchmoss, Elodea, genus Elodea |
| pumpkinseed | (noun) small brilliantly colored North American sunfish | Synonyms: Lepomis gibbosus |
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| purebred | (noun) a pedigreed animal of unmixed lineage; used especially of horses | Synonyms: pureblood, thoroughbred |
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| pursued | (noun) a person who is being chased | Synonyms: chased |
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| quadruped | (noun) an animal especially a mammal having four limbs specialized for walking | - |
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| rabbitweed | (noun) low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads | Synonyms: broom snakeroot, broom snakeweed, Gutierrezia sarothrae, rabbit-weed, snakeweed, turpentine weed |
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| ragweed | (noun) any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma | Synonyms: ambrosia, bitterweed |
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| (noun) widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity | Synonyms: benweed, ragwort, Senecio jacobaea, tansy ragwort |
| rapeseed | (noun) seed of rape plants; source of an edible oil | - |
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| red | (noun) red color or pigment; the chromatic color resembling the hue of blood | Synonyms: redness |
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| (noun) emotionally charged terms used to refer to extreme radicals or revolutionaries | Synonyms: Bolshevik, bolshie, bolshy, Marxist |
| (noun) the amount by which the cost of a business exceeds its revenue | Synonyms: loss, red ink |
| reed | (noun) a musical instrument that sounds by means of a vibrating reed | Synonyms: beating-reed instrument, reed instrument |
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| (noun) a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it | Synonyms: vibrating reed |
| (noun) tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites | - |
| retarded | (noun) people collectively who are mentally retarded | Synonyms: developmentally challenged, mentally retarded |
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| retreated | (noun) people who have retreated | - |
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| richweed | (noun) a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves | Synonyms: clearweed, dead nettle, Pilea pumilla |
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| (noun) erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States | Synonyms: Collinsonia canadensis, horse balm, horseweed, stone-root, stone root, stoneroot |
| riverbed | (noun) a channel occupied (or formerly occupied) by a river | Synonyms: river bottom |
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| roadbed | (noun) a bed supporting a road | - |
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| rockweed | (noun) coarse brown seaweed growing on rocks exposed at low tide | - |
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| rosinweed | (noun) North American perennial having a resinous odor and yellow flowers | Synonyms: Silphium laciniatum |
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| (noun) any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock | Synonyms: gum plant, gumweed, tarweed |
| scorpionweed | (noun) any plant of the genus Phacelia | Synonyms: phacelia, scorpion weed |
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| screed | (noun) an accurately levelled strip of material placed on a wall or floor as guide for the even application of plaster or concrete | - |
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| (noun) a long piece of writing | - |
| (noun) a long monotonous harangue | - |
| seabed | (noun) the bottom of a sea or ocean | Synonyms: Davy Jones's locker, Davy Jones, ocean bottom, ocean floor, sea bottom, sea floor |
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| seaweed | (noun) plant growing in the sea, especially marine algae | - |
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| seed | (noun) the thick white fluid containing spermatozoa that is ejaculated by the male genital tract | Synonyms: come, cum, ejaculate, semen, seminal fluid |
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| (noun) anything that provides inspiration for later work | Synonyms: germ, source |
| (noun) one of the outstanding players in a tournament | Synonyms: seeded player |
| (noun) a small hard fruit | - |
| (noun) a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa | - |
| seedbed | (noun) a bed where seedlings are grown before transplanting | - |
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| shaheed | (noun) Arabic term for holy martyrs | - |
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| shed | (noun) an outbuilding with a single story; used for shelter or storage | - |
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| shred | (noun) a small piece of cloth | Synonyms: rag, tag, tag end, tatter |
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| (noun) a tiny or scarcely detectable amount | Synonyms: iota, scintilla, smidge, smidgen, smidgeon, smidgin, tittle, whit |
| sickbed | (noun) the bed on which a sick person lies | - |
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| signified | (noun) the meaning of a word or expression; the way in which a word or expression or situation can be interpreted | Synonyms: sense |
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| silkweed | (noun) any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts | Synonyms: milkweed |
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| silverweed | (noun) any of various twining shrubs of the genus Argyreia having silvery leaves and showy purple flowers | - |
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| (noun) low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia | Synonyms: goose-tansy, goose grass, Potentilla anserina |
| skunkweed | (noun) tall herb of the Rocky Mountains having sticky leaves and an offensive smell | Synonyms: Polemonium viscosum, skunk-weed |
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| sled | (noun) a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow | Synonyms: sledge, sleigh |
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| slugabed | (noun) a person who stays in bed until a relatively late hour | Synonyms: lie-abed |
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| snakeweed | (noun) low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads | Synonyms: broom snakeroot, broom snakeweed, Gutierrezia sarothrae, rabbit-weed, rabbitweed, turpentine weed |
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| sneezeweed | (noun) any of various plants of the genus Helenium characteristically causing sneezing | - |
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| soapweed | (noun) tall arborescent yucca of southwestern United States | Synonyms: soap-weed, soap tree, Yucca elata |
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| speed | (noun) changing location rapidly | Synonyms: hurrying, speeding |
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| (noun) a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | Synonyms: amphetamine, pep pill, upper |
| (noun) a rate (usually rapid) at which something happens | Synonyms: fastness, swiftness |
| (noun) the ratio of the focal length to the diameter of a (camera) lens system | Synonyms: f number, focal ratio, stop number |
| (noun) distance travelled per unit time | Synonyms: velocity |
| steed | (noun) (literary) a spirited horse for state of war | - |
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| stickweed | (noun) any of several herbaceous plants having seeds that cling to clothing | - |
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| stinkweed | (noun) foetid Eurasian weed having round flat pods; naturalized throughout North America | Synonyms: fanweed, field pennycress, French weed, mithridate mustard, penny grass, Thlaspi arvense |
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| streambed | (noun) a channel occupied (or formerly occupied) by a stream | Synonyms: creek bed |
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| tarweed | (noun) any of various resinous glandular plants of the genus Madia; of western North and South America | - |
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| (noun) any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock | Synonyms: gum plant, gumweed, rosinweed |
| thimbleweed | (noun) a common North American anemone with cylindrical fruit clusters resembling thimbles | Synonyms: Anemone cylindrica |
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| thoroughbred | (noun) a pedigreed animal of unmixed lineage; used especially of horses | Synonyms: pureblood, purebred |
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| (noun) a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares | - |
| (noun) a well-bred person | - |
| tickseed | (noun) any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America | Synonyms: coreopsis, tick-weed, tickweed |
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| tickweed | (noun) any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America | Synonyms: coreopsis, tick-weed, tickseed |
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| toolshed | (noun) a shed for storing tools | Synonyms: toolhouse |
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| transgendered | (noun) a person who has undergone a sex change operation | Synonyms: transexual, transsexual |
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| tumbleweed | (noun) any plant that breaks away from its roots in autumn and is driven by the wind as a light rolling mass | - |
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| (noun) bushy annual weed of central North America having greenish flowers and winged seeds | Synonyms: Cycloloma atriplicifolium, winged pigweed |
| (noun) bushy plant of western United States | Synonyms: Amaranthus albus, Amaranthus graecizans |
| (noun) prickly bushy Eurasian plant; a troublesome weed in central and western United States | Synonyms: Russian cactus, Russian thistle, Russian tumbleweed, Salsola kali tenuifolia |
| tweed | (noun) thick woolen fabric used for clothing; originated in Scotland | - |
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| (noun) (usually in the plural) trousers made of flannel or gabardine or tweed or white cloth | Synonyms: flannel, gabardine, white |
| unabridged | (noun) a dictionary that has not been shortened by the omitting terms or definitions; a comprehensive dictionary | Synonyms: unabridged dictionary |
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| unconfessed | (noun) people who have not confessed | - |
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| unemployed | (noun) people who are involuntarily out of work (considered as a group) | Synonyms: unemployed people |
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| velvetweed | (noun) tall annual herb or subshrub of tropical Asia having velvety leaves and yellow flowers and yielding a strong fiber; naturalized in southeastern Europe and United States | Synonyms: Abutilon theophrasti, butter-print, China jute, Indian mallow, velvet-leaf, velvetleaf |
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| vinegarweed | (noun) aromatic plant of western United States | Synonyms: camphorweed, Trichostema lanceolatum, turpentine camphor weed |
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| wartweed | (noun) not unattractive European weed whose flowers turn toward the sun | Synonyms: devil's milk, Euphorbia helioscopia, sun spurge, wartwort |
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| watershed | (noun) an event marking a unique or important historical change of course or one on which important developments depend | Synonyms: landmark, turning point |
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| (noun) a ridge of land that separates two adjacent river systems | Synonyms: divide, water parting |
| (noun) the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet | Synonyms: basin, catchment area, catchment basin, drainage area, drainage basin, river basin |
| waterweed | (noun) a weedy aquatic plant of genus Elodea | - |
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| weed | (noun) street names for marijuana | Synonyms: dope, gage, grass, green goddess, locoweed, Mary Jane, pot, sens, sess, skunk, smoke |
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| (noun) a black band worn by a man (on the arm or hat) as a sign of mourning | Synonyms: mourning band |
| (noun) any plant that crowds out cultivated plants | - |
| woodshed | (noun) a shed for storing firewood or garden tools | - |
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| wormseed | (noun) rank-smelling tropical American pigweed | Synonyms: American wormseed, Chenopodium ambrosioides, Mexican tea, Spanish tea |
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