What's the difference between wool and yarn?

Wool


Definition:

  • (n.) The soft and curled, or crisped, species of hair which grows on sheep and some other animals, and which in fineness sometimes approaches to fur; -- chiefly applied to the fleecy coat of the sheep, which constitutes a most essential material of clothing in all cold and temperate climates.
  • (n.) Short, thick hair, especially when crisped or curled.
  • (n.) A sort of pubescence, or a clothing of dense, curling hairs on the surface of certain plants.

Example Sentences:

  • (1) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
  • (2) Populations of lymphocytes were separated using glass and nylon wool.
  • (3) Removal of accessory cells adherent to nylon wool column abolished MAS reactivity, whereas it has little effect on lymphoproliferation induced by phytohaemagglutinin (PHA).
  • (4) Somatic changes included reduced wool growth, delayed osseous development in the limbs (X-ray assessment) a reduced heart weight (39.1%) and an increased pituitary weight (48.1%).
  • (5) [35S]Cyst(e)ine activity was detected in the faeces, but not in plasma or wool.
  • (6) Immunoreactivity was restricted to the periderm and intermediate layers of fetal epidermis at 55 d of gestation, when the first wave of wool follicles are initiated.
  • (7) Data obtained with cells separated by adherence, nylon wool columns, and positive and negative sorting with monoclonal antibodies that define B, monocyte, T helper and T cytotoxic cells show that several different cell types have the ability to produce GH mRNA.
  • (8) A case is presented of a patient who was arrested along several developmental lines and had suffered from a wool fetish.
  • (9) Removal of nylon wool adherent cells or cells with histamine receptors by column chromatography similarly caused reduced production of type II interferon.
  • (10) The activity of uremic spleen cells can be enhanced (restored) by removal of the sub-population of cells adherent to glass wool.
  • (11) All skirted lots of wool evaluated in this study had improved processing characteristics for all processing traits evaluated.
  • (12) The in vitro generation of allospecific CTL by human PBMC was enhanced 4- to 16-fold by sequential plastic and nylon wool adherence, which depleted the PBMC of macrophages and B cells.
  • (13) In parallel experiments, macrophages infected with the mycobacteria were co-cultured with syngeneic in vivo M. kansasii sensitized non-adherent, nylon-wool purified lymph node cells, and lymphoproliferation was measured by [3H]thymidine incorporation.
  • (14) "The Lib Dems are either cosmically ill-informed or seeking to pull the wool over the eyes of many thousands whose jobs depend on a thriving shipyard," he said.
  • (15) In general, IEL of satisfactory yield and of good viability were obtained with EDTA treatment of the gut tissues, followed by rapid passages of the resultant cells through nylon-wool columns and centrifugation on two-step Percoll density gradients (45% and 80%).
  • (16) There was a definite glove and stocking type of hypesthesia to pinprick and cotton wool.
  • (17) Since young nude mice could be rendered as unpermissive as older nude mice by pretreatment with either PNA-agglutinable thymus cells or nylon-wool passed spleen cells, it is suggested that an increased number of precursor T cells in older nude mice might induce this effect.
  • (18) Differences in wool production between ewes weaning one or two lambs were small.
  • (19) The effects of flumethasone on some aspects of wool growth revealed interactions between the routes of administration, the period of dosage and the rate of wool growth in the recipients.
  • (20) Streptococcus pyogenes survives poorly on plain cotton-wool swabs, whereas serum-dipped swabs permit its survival but also allow overgrouth by other bacteria and are likely to contain virus inhibitors.

Yarn


Definition:

  • (n.) Spun wool; woolen thread; also, thread of other material, as of cotton, flax, hemp, or silk; material spun and prepared for use in weaving, knitting, manufacturing sewing thread, or the like.
  • (n.) One of the threads of which the strands of a rope are composed.
  • (n.) A story told by a sailor for the amusement of his companions; a story or tale; as, to spin a yarn.

Example Sentences:

  • (1) The fabric protection factors (FPF) of 5 metal meshes, to simulate the weave pattern and yarn dimensions of typical fabrics, and 6 textiles with variable construction (woven and knitted), fibre type and dye were determined using a spectrophotometric assay and human skin testing.
  • (2) The 66 patients were subdivided into four groups according to the type of conduit harvested (single left internal thoracic artery or saphenous vein) and the type of material used for the sternal closure (steel wires or nylon yarns).
  • (3) Facts were mutable, and didn’t need to displace a good yarn.
  • (4) The Way Home, To Save a Life, and hoop-shooting nuns drama The Mighty Macs are, similarly, self-fulfilment yarns in which God is a bit of a backdrop.
  • (5) Finally we’d be in the hands of a pro, someone who knows how to tell a whiz-bang action yarn with a big budget.
  • (6) At first Sabry was just talking to his friends, posting idiosyncratic yarns or musings that gently push at social mores.
  • (7) The investigation was carried out in an asbestos plant producing yarn, cords, gaskets and frictional products.
  • (8) Grafts were woven from polypropylene yarn into conduits 4 mm I.D.
  • (9) • 370-372 Morningside Road, 0131-447 3042, loopylornas.com Slow down with a bit of knitting K1 Yarns, Edinburgh Fabulous knitting shop K1 Yarns is running workshops every Thursday, Saturday and Sunday in August, including Fair Isle knitting classes, beginners courses on knitting and crochet and a very handy class on how to knit socks (prices start from £15).
  • (10) Yarn preparation areas (opening through fine spinning) were studied at two cotton textile mills which had been studied 5 years previously in Shanghai.
  • (11) Raw cotton from 4 machine picked varieties and 2 machine stripped varieties is examined by stereomicroscope and bright-field microscopy for presence of plant trash(bract, leaf, stem, seed, boll, and weed fragments-size range 841-2000mum) that gives rise to cotton dust during yarn manufacturing operations.
  • (12) Also, interleaved between the numbered chapters of Shadow's adventures, are unnumbered chapters headed "Coming to America", in which we get yarns of how travellers to America might have brought their own peculiar spirits and legends to this new land.
  • (13) After decortication of the graft, posterior arches of C1 and 2, and microsurgical excision of the cartilage of the C1-2 lateral joints, the graft was imbedded into the entire C1-2 space, fixed, and tightened using a braid of "nylacap" yarn.
  • (14) Limited environmental sampling, performed using a vertical elutriator in yarn preparation and weaving areas, indicated that exposures were similar to those reported in other parts of the developing world.
  • (15) Risk increased significantly with duration of employment in: production of synthetic yarns, plastic packaging, and miscellaneous chemical compounds; fabricating structural metal and stationary tanks; body factories; electrical plants; and retail sale of paint and wallpaper.
  • (16) On Friday the hunt for these precious treats kicked off again – with a yarn explaining how this year’s production might be disrupted by 200 striking Cadbury workers.
  • (17) Complications such as thromboses, infections and false aneurysms appear to occur randomly after different lengths of implantation, thicker fibrous tissue capsules are associated with velour grafts with highly textured yarns, the incidence of mineralized tissue and of endothelialized luminal surfaces is rare, weft knitted textile prostheses appear less mechanically stable and more sensitive to iatrogenic trauma than warp knitted, and the incidences of lipid and cholesterol adsorption, bacterial colonization and sterile fluid loss need further investigation.
  • (18) An influenza-like illness appeared recently among workers in a plant processing synthetic yarn.
  • (19) You might prefer the story about rights to social security, or you might prefer a yarn about the duty to contribute to social insurance.
  • (20) It was a yarn worthy of Robert Louis Stevenson , an epic befitting of Homer, but the Italian immigration officer who deported him had no interest in the tale.