What's the difference between joist and trimmer?

Joist


Definition:

  • (n.) A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed; -- called, according to its position or use, binding joist, bridging joist, ceiling joist, trimming joist, etc. See Illust. of Double-framed floor, under Double, a.
  • (v. t.) To fit or furnish with joists.

Example Sentences:

  • (1) This may be because the joists below are defective – it’s worth seeking professional advice in this instance.
  • (2) They are constructed using rows of thick wooden beams, called joists, topped by floorboards running at a right angle to the joists.
  • (3) The lines of nails on the boards indicate the position of the joists underneath.
  • (4) They unloaded bags, tools and two wheelie bins, which they carried (or wheeled) in through the fire escape, and large metal joists.

Trimmer


Definition:

  • (n.) One who trims, arranges, fits, or ornaments.
  • (n.) One who does not adopt extreme opinions in politics, or the like; one who fluctuates between parties, so as to appear to favor each; a timeserver.
  • (n.) An instrument with which trimming is done.
  • (n.) A beam, into which are framed the ends of headers in floor framing, as when a hole is to be left for stairs, or to avoid bringing joists near chimneys, and the like. See Illust. of Header.

Example Sentences:

  • (1) Wood-trimmers' disease, generally called extrinsic allergic alveolitis, which affects workers in sawmills, is thought to be caused by fungal diaspores.
  • (2) The other method was the use of an axial margin trimmer.
  • (3) Antibody levels in the newly employed wood trimmers were similar to antibody levels in wood trimmers who had already worked in the trimming department before the start of the study.
  • (4) Pulmonary function was studied in 66 wood trimmers exposed to organic dust (moulds) after a month of no exposure (summer vacation) and then three and 27 months later, and also during a working week.
  • (5) Antibody levels were significantly elevated after periods with high exposure compared to antibody levels in the same wood trimmers after periods with low exposure.
  • (6) The margins of the axial box as well as of the proximo-cervical curvature were significantly better finished with the EVA-System and the highly flexible file compared to the axial margin trimmer (p < 0.001).
  • (7) In a second treatment (Experiments 1 and 2), one-third to one-half of the beak was removed at 11 days of age with a hot blade beak trimmer.
  • (8) Since the trimmers do not have to be removed while this system is in use, there is no need to bypass the associated interlock system.
  • (9) The finishing time for the box margin was not significantly different using the EVA instrument or the axial margin trimmer.
  • (10) We have studied electron beam profiles with and without trimmers at the nominal source-skin distance of 1 m versus extended distances of 3-5 m. We find that the trimmers limit the field size and add little to the beam uniformity at extended distances.
  • (11) The study groups consisted of randomly selected 78 stevedores-trimmers and 84 mechanic equipment operators.
  • (12) The efficiency of the new device was compared with the axial margin trimmer by means of scanning electron microscopy and a score system.
  • (13) There were, however, large differences between the individual antibody levels of similarly exposed wood trimmers.
  • (14) Sera from 67 wood trimmers were analyzed by both methods.
  • (15) Fungal keratitis should be strongly considered as the cause of any corneal ulcer related to trauma from a nylon line lawn trimmer.
  • (16) Nylon line lawn trimmers represent a source of potentially devastating ocular trauma.
  • (17) The field size dependent photon output is known to be influenced by the existence of backscattered radiation (BSR) generated in the collimator or trimmer jaws of a linear accelerator.
  • (18) Darius is the head trimmer at Legend's, a smart London barber that specialises in traditional wet shaves.
  • (19) We managed three cases of fungal keratitis caused by injuries from nylon line trimmers.
  • (20) Playing the drag queen Albert in La Cage Aux Folles presented another difficulty: I had to ask my beloved to help me shave my entire body once a week with a beard trimmer.