What's the difference between shrub and weed?

Shrub


Definition:

  • (n.) A liquor composed of vegetable acid, especially lemon juice, and sugar, with spirit to preserve it.
  • (n.) A woody plant of less size than a tree, and usually with several stems from the same root.
  • (v. t.) To lop; to prune.

Example Sentences:

  • (1) Close to the smelters tree species accumulated more foliar fluoride than shrub species, which in turn accumulated more foliar fluoride than herb species.
  • (2) Across this relatively peaceful corner of the Horn of Africa, where black-headed sheep scamper among the thorn bushes, dainty gerenuk balance on their hind legs to nibble from hardy shrubs, and skinny camels wearing rough-hewn bells lumber over rocky slopes, people long accustomed to a harsh environment find they cannot cope after years of below-average rainfall.
  • (3) I like the challenges that come with those that thrive in such adverse conditions, and there are plenty: woodland species that make the most of what little sunlight hits the leaf litter; ferns that like dripping cave mouths and cliff faces cast in gloom; and small shrubs that eke out a living under bigger things, such as butcher’s broom ( Ruscus aculeatus ) and fragrant sweet box ( sarcoccoca ).
  • (4) This study investigated the effect of prolonged ingestion of Leucaena leucocephala, a leguminous shrub with a potential as a source of animal feed in Southern Taiwan, by heifers on serum thyroid hormone levels.
  • (5) The group, which entered through a fence around the Lincolnshire at 8am and included a Catholic priest and an Anglican priest, managed to set up banners and plant a "peace garden" consisting of a number of shrubs before they were arrested.
  • (6) It is concluded that these goats have a feeding habit similar to that of cattle rather than resting their forelimbs on the shrubs while nibbling the leaves as recorded in Asian goats.
  • (7) Glia shrubs in the cerebellar cortex appeared to be formed along the apical dendrite of Purkinje cells.
  • (8) The ACMD report described it as a herbal product made up of the leaves and shoots of the shrub Catha edulis, which releases a mild stimulant after being chewed for about an hour and three quarters.
  • (9) About half of the species eaten came from the dense herb and shrub layers.
  • (10) But over in the hospital, beyond the fences and shrubs, there is movement.
  • (11) According to the Garden Bridge trust, the new crossing would feature not only shrubs, trees, plants, benches and even "intimate walkways", but would also serve as a direct link between the South Bank and Covent Garden and Soho.
  • (12) Away from the city, green gives way to bush, then desert pockmarked with shrubs.
  • (13) The most favourable biotope for the circulation of Ixodes ticks, which are the principal vectors of the virus, is provided by the margins of these natural forests and their supplementary shrub communities.
  • (14) The following risk factors were assessed: black fly bites, presence of rodents at home, exposure to cereal dust, exposure to fumes or dust released by tree and shrub removal, and exposure to insecticides.
  • (15) I'm in St Ives in Cornwall, strolling around the Barbara Hepworth Sculpture Garden, a thickly growing, almost tropical space where tree, plant, shrub and sculpture live in perfect harmony.
  • (16) There is a widespread practice among people living in Eastern Africa and Southern Arabia of chewing the leaves of the Khat shrub so as to produce pharmacological effects that are practically indistinguishable from those produced by amphetamine (AMPH).
  • (17) Herbicides are a heterogeneous class of chemicals used in agriculture, forestry, and urban settings to kill weeds, shrubs, and broad-leaved trees.
  • (18) Shrubs and trees, especially of the Rosaceae (primarily species of Prunus), were particularly important as nectar sources and bloomed concurrently with the appearance of nulliparous females.
  • (19) Cathinone is an active ingredient in the leaves of the Khat shrub.
  • (20) Therefore, during the spring and fall, activities that take place in high-shrub areas or in the woods (e.g., landscaping, trail or brush clearing) involve a high risk of exposure to adult ticks infected with Lyme disease.

Weed


Definition:

  • (n.) A garment; clothing; especially, an upper or outer garment.
  • (n.) An article of dress worn in token of grief; a mourning garment or badge; as, he wore a weed on his hat; especially, in the plural, mourning garb, as of a woman; as, a widow's weeds.
  • (n.) A sudden illness or relapse, often attended with fever, which attacks women in childbed.
  • (n.) Underbrush; low shrubs.
  • (n.) Any plant growing in cultivated ground to the injury of the crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant.
  • (n.) Fig.: Something unprofitable or troublesome; anything useless.
  • (n.) An animal unfit to breed from.
  • (n.) Tobacco, or a cigar.
  • (v. t.) To free from noxious plants; to clear of weeds; as, to weed corn or onions; to weed a garden.
  • (v. t.) To take away, as noxious plants; to remove, as something hurtful; to extirpate.
  • (v. t.) To free from anything hurtful or offensive.
  • (v. t.) To reject as unfit for breeding purposes.

Example Sentences:

  • (1) Careless Herbicidal aerial spray of a field for weed control and defoliation of cotton before machine picking, resulted in the contamination of an adjoining reservoir, killing large volume of fish.
  • (2) In lieu of crop rotation and biodiversity (the non-toxic way to control weeds), the MSU extension service promotes what the article calls a "diversified herbicide program".
  • (3) The condition has occurred for many years and has been thought to have been associated with ingestion of Crofton weed (Eupatorium adenophorum).
  • (4) There is, of course, a place for regulatory vigilance, for forcing entire institutions to clean up after themselves by paying hefty fines, and weeding out bad practices.
  • (5) In allergologic out-patient departments of Dubrovnik, Split, Sibenik, Zadar, Pula and Rijeka, 300 patients with pollinosis have been tested by the application of the prick method of group allergens of grass, tree and weed pollen, particularly of Parietariae (pellitory) pollen.
  • (6) The coalition claims that authorities were forcing teachers, businessmen and students to weed the fields or pick cotton or face fines of up to 1 million soum (about £210) for university students.
  • (7) Bob McCulloch, the St Louis County prosecutor who oversaw the state grand jury inquiry that looked into Brown’s death, insisted that discrimination by law enforcement was a rarity but said authorities must “weed it out”.
  • (8) Unions blame 70% fall in employment tribunal cases on fees Read more “The government originally said making people pay would weed out vexatious claims.
  • (9) He also promised Thatcher a new crackdown on immigrant male fiances, saying that he was thinking of "a kind of steeplechase designed to weed out south Asians in particular".
  • (10) The substances studied generally proved very active against the weeds tested and showed marked specificity of action towards Setaria and Echinochloa.
  • (11) We haven’t ascertained how much of the forests it has taken over, but a significant portion may in reality be unpalatable weeds and effectively unusable from an elephant’s perspective.
  • (12) In a statement on Wednesday , he said that he will criticise the Met for "the routine gathering and retention of information that was collateral, not linked to an operation or the prevention of crime and it should have been disposed of as part of a weeding process."
  • (13) But the matriarch of women who toke is Nancy Botwin ( Mary-Louise Parker ) in the long-running TV series Weeds .
  • (14) One of their number, James Howard Kunstler, blasted the High Line as "decadent" , "a weed-filled 1.5 mile-long stretch of abandoned elevated railroad", where "mistakes are artfully multiplied and layered", such as "the notion that buildings don't have to relate to the street-and-block grid ... instead of repairing the discontinuities of recent decades, we just celebrate them and make them worse".
  • (15) We have the know-how to track organisations that achieve the best results for patients, and weed out those that don't come up to scratch."
  • (16) After weeding, planting or harvesting, people attempt to make money.
  • (17) Animal Practice is a Universal Television production based on an irreverent New York veterinarian, played by Justin Kirk of Weeds and Angels in America.
  • (18) Some physicochemical properties of the mitochondrial DNAs (mtDNA) from plants of flax, broad bean and mung bean, and from tissue culture cells of jimson weed, soybean, petunia and tobacco were determined.
  • (19) Weed and water samples collected from river water abstraction points, reservoirs, tap water supplies, and animal water troughs fed from this supply all contained low levels of iodine-125.
  • (20) There has been a troubling several decade-long pattern of denial on the part of the seed patent holders over the likelihood of resistance emerging - for example Monsanto authors of a 1997 paper asserted weed resistance would never happen.