What's the difference between cultivator and weed?

Cultivator


Definition:

  • (n.) One who cultivates; as, a cultivator of the soil; a cultivator of literature.
  • (n.) An agricultural implement used in the tillage of growing crops, to loosen the surface of the earth and kill the weeds; esp., a triangular frame set with small shares, drawn by a horse and by handles.

Example Sentences:

  • (1) A group I subset (six animals), for which predominant cultivable microbiota was described, had a mean GI of 2.4.
  • (2) The present retrospective study reports the results of a survey conducted on 130 patients given elective abdominal and urinary surgery together with the cultivation of routine intraperitoneal drainage material.
  • (3) The authors present the first results on the utilization of fish infusion (IFP) as a basic medium for the cultivation of bacteria.
  • (4) Throughout the entire cultivation cytidyl derivatives occurred in trace quantities.
  • (5) A human salivary gland adenocarcinoma cell line was cultivated in the presence of dibutyryl cyclic AMP (dB-cAMP), cis-diammine dichloroplatinum (cisplatin) or mitomycin C (MMC) only, or of the combination of dB-cAMP and each of the antineoplastic drugs.
  • (6) Liver cells, however, cultured in this way, can also be used for experiments in the early stage of serial cultivation.
  • (7) When rabbit and horse sera were used instead of human serum for cultivation, in both groups the share of positive cultures increased and more large forms of B. hominis cells were observed.
  • (8) After 21 days, supragingival and marginal plaque was collected from each subject and assayed for total cultivable microbiota, total facultative anaerobes, facultative Streptococci, Actinomyces, Fusobacterium, Veillonella and Capnocytophaga.
  • (9) The cultivation of embryos in shell-less culture did not affect the normal macroscopic or histological appearance of the membrane, or the rate of proliferation of its constituent cells, as assessed by tritiated thymidine incorporation.
  • (10) A procedure for cultivation of the seed material for biosynthesis of eremomycin providing an increase in the antibiotic yield by 24 per cent was developed.
  • (11) Several species of leishmania and three methods of cultivation: monophasic, biphasic and co-cultivation were used in a compared study bearing on the intensive production of leishmania.
  • (12) It is a very widely cultivated plant in eastern countries like India, Bangladesh, Ceylon, Malaya, the Philippines and Japan.
  • (13) The ratio of total protein content of DNA content increased 1.46 fold in 10(-5) M dexamethasone-treated cells on the seventh day of cultivation.
  • (14) The phenomenology of various protrusions, including fimbria, is described, and the effect of cultivation conditions (continuous culture, periodic culture) and growth phases on their emergence was elucidated.
  • (15) Finally, the analytical device was applied to the registration of production of monoclonal antibodies in a cultivation.
  • (16) After 48-hour cultivation the incorporation of 3H-thymidine into the DNA of mouse cells was 5 times higher than into the DNA of guinea-pig cells.
  • (17) The effect of cultivation temperature and pH on growth of the culture Penicillium brevi-compactum and biosynthesis of extracellular phosphohydrolases (acid and alkaline RNases and acid PMEase) involved in RNA degradation was studied.
  • (18) The pH effect on the nisine biosynthesis during the cultivation of Streptococcus lactis was studied at pH 5,8 6,7 and 7,2.
  • (19) We have studied the expression of genes that typify osteogenic differentiation in mandibular condyles during in vitro cultivation.
  • (20) By Western blot analysis we found that cultivated liver stellate cells secreted RBP into the medium.

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.