| hole |
means a gap or void 2 inches (5.1 cm) or more in its least dimension, in a floor, roof, or other walking/working surface.
Ãâó: www.osha.gov/pls/oshaweb/owadisp.show_document
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| hole |
Torus has a hole; sphere does not. If every curve on a surface can be continuously shrunk into a point the surface has no holes. Attaching handles to the sphere in order to create surfaces with holes is an important and ubiquitous topological activity.
Ãâó: math-terms.org/g.html
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| hole |
an unsolved puzzle from an issue of the 'Nig, as in, 'flat 43 was my last hole in December.'
Ãâó: www.puzzlers.org/guide1995/glossary.html
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| hole |
(sc) the absence of a valence electron in a semiconductor crystal. Motion of a hole is equivalent to motion of a positive charge.
Ãâó: www.pspglobal.com/glossary-h.html
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| hole |
Fast, deep water dropping sharply over an obstacle into a depression in the riverbed. The pocket behind the obstacle is filled by the upstream current.
Ãâó: www.outdoorplay.com/headlines/help_glossary.html
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