| betweenbrain | (noun) the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon | Synonyms: diencephalon, interbrain, thalmencephalon |
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| carpetweed | (noun) annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America | Synonyms: Indian chickweed, Molluga verticillata |
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| frostweed | (noun) perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts | Synonyms: Crocanthemum canadense, frost-weed, frostwort, Helianthemum canadense |
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| (noun) tall perennial herb having clusters of white flowers; the eastern United States | Synonyms: frost-weed, Verbesina virginica, Virginia crownbeard |
| 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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| 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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| subtweeting | (noun) the act of tweeting without tagging a user so that they will not see the post | - |
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| 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 |
| tweediness | (noun) looseness or roughness in texture (as of cloth) | Synonyms: coarseness, nubbiness |
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| (noun) an informal, homely, outdoor look characteristic of those who wear tweeds | - |
| tweegram | (noun) an Instagram post that is all words | - |
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| tweep | (noun) A person using Twitter | - |
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| tweet | (noun) A post on the social media site Twitter | - |
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| (noun) a weak chirping sound as of a small bird | - |
| tweeter | (noun) a loudspeaker that reproduces higher audio frequency sounds | - |
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| tweezer | (noun) a hand tool for holding consisting of a compound lever for grasping | Synonyms: pair of pincers, pair of tweezers, pincer |
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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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| 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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