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re-entrant Line breaks: re-entrant
Pronunciation: /rɪˈɛntr(ə)nt/

Definition of re-entrant in English:


1(Of an angle) pointing inwards. The opposite of salient.
Example sentences
  • Tools having diameters greater than about 80 mm or equivalent sections in flat dimensions are difficult to harden to full hardness if there are re-entrant corners.
  • The resultant form is bold and distinctive and is further modelled by a re-entrant corner cutout, set directly above the sunken entrance court.
  • Cracks most commonly occur at the re-entrant corners in sink openings, where the concrete is only 2 or 3 inches wide.
1.1Having an inward-pointing angle or angles.
Example sentences
  • The mechanism is safe and re-entrant; the current flow of execution is saved and then restored to its state prior to the interruption.


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1A re-entrant angle: a sharp re-entrant in a material causes a local increase in stress
More example sentences
  • The aperture is commonly planar, without re-entrants, but the sub-apical surface may develop a median sinus which may be deep and slit like or even trematose, with a single perforation at the end of an elongate tube termed the snorkel.
1.1An indentation or depression in terrain: they edged up a deep re-entrant to the top of the ridge
More example sentences
  • Ingenuity in section is elaborated in plan, in which each of the masses is articulated with deep re-entrants on the London Wall side.
  • In a plate-tectonic scenario, aulagogenic basins are those located at re-entrants on continental plate margins, and their initial formation is coeval with continental break-up.
  • In the posterior part of the occlusal surface there is a re-entrant that forms a shallow depression that finally disappears as the wear of this region advances.
2A person who has re-entered something, especially the labour force: re-entrants who left to raise a family and are now seeking to get back in
More example sentences
  • However, during all of the nay saying, no one ever spoke of a weaning of the growth in our economy, no one ever talked about diminished opportunity for new entrants or re-entrants to the job market.
  • Table 6 also allows a contrast to be drawn between those in long term employment and recent entrants or re-entrants.
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