What's the difference between pin and pinhead?

Pin


Definition:

  • (v. t.) To peen.
  • (v. t.) To inclose; to confine; to pen; to pound.
  • (n.) A piece of wood, metal, etc., generally cylindrical, used for fastening separate articles together, or as a support by which one article may be suspended from another; a peg; a bolt.
  • (n.) Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.
  • (n.) Hence, a thing of small value; a trifle.
  • (n.) That which resembles a pin in its form or use
  • (n.) A peg in musical instruments, for increasing or relaxing the tension of the strings.
  • (n.) A linchpin.
  • (n.) A rolling-pin.
  • (n.) A clothespin.
  • (n.) A short shaft, sometimes forming a bolt, a part of which serves as a journal.
  • (n.) The tenon of a dovetail joint.
  • (n.) One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.
  • (n.) The bull's eye, or center, of a target; hence, the center.
  • (n.) Mood; humor.
  • (n.) Caligo. See Caligo.
  • (n.) An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin.
  • (n.) The leg; as, to knock one off his pins.
  • (n.) To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together.

Example Sentences:

  • (1) However, while the precise nature of the city’s dietary problems is hard to pin down, the picture regarding physical activity is much clearer.
  • (2) In difficult fractures we feel that change from external to internal fixation should be performed earlier; it makes early removal of the fixator pins possible and prevents the problems associated with prolonged use of fixator frames.
  • (3) The changes in nuclear morphology (karyometry) and DNA content in prostatic intraepithelial neoplasia (PIN) were analyzed on tissue sections.
  • (4) They had been pinning their hopes on Alan Johnson who has, in their eyes, the natural authority and ease of manner which Miliband has struggled to develop.
  • (5) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
  • (6) In the absence of boxes or grooves, pins markedly enhanced both retention and resistance.
  • (7) Small threaded pins do not cause femoral head rotation.
  • (8) A Charnley apparatus or turnbuckles placed between the pins on each side of the fracture provided the mechanical advantage for repositioning the fracture fragments and achieving rigid fixation during healing.
  • (9) Ankle arthrodesis treated by external fixation frequently results in complications from pin tract infections, loss of position, nonunion, and malunion.
  • (10) There were no cases of pin-track osteomyelitis, fractures through pintracks, or neurovascular damage from pin insertion.
  • (11) We discuss the indications for operative treatment and the technique of internal fixation with 3 resorbable pins.
  • (12) Major pin-tract infections are a potentially dangerous complication associated with the use of skeletal transfixation pins.
  • (13) The OECD pinned the blame for the disadvantage for girls in maths and science on low expectations among parents and teachers, as well as lack of self-confidence and what it called the ability to “think like a scientist” in answering problems.
  • (14) Retrograde intramedullary pinning was accomplished in all calves, using 2 (n = 4 calves) or 3 (n = 8 calves) pins.
  • (15) The defective pinF gene is suggested to hae the same origin as P-pin on e14 by the restriction map of the fragment cloned from a Pin+ transductant that was obtained in transduction from S. flexneri to E. coli delta pin.
  • (16) The document says that Sienna Miller suspected her mobile phone was not secure and changed it twice, but Mulcaire's handwritten notes show that he succeeded in obtaining the new number, account number, pin code and password for all three phones.
  • (17) The probe tip was a gold-plated pin, insulated from the saliva by soft wax.
  • (18) One hundred patients were treated with the Rydell four-flanged nail and 100 with the Gouffon pins.
  • (19) In AP and lateral radiographs of the hip, measurements are made of the cervicofemoral angles, the diameter of the femoral head and neck, and the distances from the central femoral neck axis to each pin.
  • (20) Subjective pain ratings of mucosal pin-prick decreased a surprisingly small degree after application of both solutions.

Pinhead


Definition:

Example Sentences:

  • (1) McDowell, a film-maker in his own right, collaborated with Kuchar on several movies, as an actor in Siamese Twin Pinheads (1972), The Sunshine Sisters (1972) and The Devil's Cleavage (1975), a 130-minute recreation of 1940s and 50s black-and-white melodramas.
  • (2) In laboratory feeding tests, family groups of wild mice maintained in pens and conditioned to feeding on plain foods were offered flupropadine at either 0.10%, 0.15%, 0.18% or 0.20% in pinhead oatmeal bait.
  • (3) The palatability of glycerine and six oils, each included at 5% in pinhead oatmeal, was compared in a similar manner.The most favoured food was found to be whole canary seed (Phalaris canariensis).
  • (4) In six workers, unroofed vesicles, pinhead areas of postinflammatory hyperpigmentation, and excoriation marks were noted at these sites.
  • (5) FIPTs, on ophthalmoscopy, usually are pinpoint to pinhead size, round or oval, dull white in color, and situated in deeper layers of the retina and beside the major retinal arteries and their main branches.
  • (6) It was here that in 2002 Markram began accumulating data on a section of the rat neocortex no larger than a pinhead.
  • (7) Both poisons were applied in pinhead oatmeal bait containing also 5% corn oil, after pre-baiting.
  • (8) WBA 8119 at 0-002%, 0-005% and 0-01% in pinhead oatmeal bait gave complete kills of mice in 'no-choice' feeding tests carried out in cages and small pens.
  • (9) An objective examination of the patient revealed the presence of multiple follicular comedones, black in colour, the size of a pinhead, and of yellowish follicular papulas, 2-5 mm in size, of solid consistency, on the top of which is a formation similar to comedone.
  • (10) For subjects considered by each reader to present predominantly p type opacities, increasing opacity profusion was exclusively and significantly associated with an increase in the number of pinhead fibrotic nodules.
  • (11) Neuropathological findings were as usual, with additional unusual features: pinhead-size areas of acute myelin-abbau products, involvement of grey in addition to white matter, and upon ultrastructure, the new finding of intra-oligodendroglial fingerprint bodies, both in neuronal satellite and in white matter oligoglia, but not in astrocytes, ganglion cells, or pericytes.
  • (12) The characteristic appearance of "pinhead" outpouching from the lumen of the esophagus is seen with contrast esophagram.
  • (13) It was Douglas, now an emeritus professor at the Swiss Federal Institute of Technology in Zurich, who first fired Markram's enthusiasm for lab work and, with his exceptionally steady hands – useful when stitching together neurons smaller than a pinhead, Markram was soon enjoying a meteoric rise.
  • (14) They are firm deposits of monosodium urate in crystal form, which develop from pinhead-size to egg-size in the subcutaneous tissue.
  • (15) Idiopathic calcinosis of the scrotum usually develops in the form of scrotal calcified nodules varying in number from 1 to over 100 and from pinhead to walnut in size.
  • (16) Medieval schoolmen sharpened their brains by counting angels on pinheads.
  • (17) Pinhead oatmeal and wheat were also comparatively well accepted.
  • (18) "The fungus is very, very small, like pinheads, on the leaf stalks.
  • (19) In four pen trials, family groups of laboratory-reared wild mice were conditioned to feeding on plain foods and then offered flocoumafen at 0.005% in pinhead oatmeal bait.
  • (20) The relation between the profusion and predominant type of small rounded opacities on chest radiographs taken within four years of death and the postmortem counts of dust lesions in four classes (macules, "pinhead" fibrotic nodules, nodules 1-3 mm, and nodules greater than 3-9 mm in diameter) has been examined for 71 coalworkers without progressive massive fibrosis.

Words possibly related to "pin"

Words possibly related to "pinhead"