Small+hole

  • 81eyelet hole — eyelet hole, an eyelet, or small hole; loophole …

    Useful english dictionary

  • 82linnet hole — a small hole joining a glassmaking furnace to the arch. [1655 65; linnet, prob. < F lunette; see LUNETTE] * * * …

    Universalium

  • 83hand-hole — noun (Steam Boilers): A small hole in a boiler for the insertion of the hand in cleaning, etc …

    Wiktionary

  • 84touch hole — noun A small hole through which the propellant charge of a cannon or muzzleloading gun is ignited …

    Wiktionary

  • 85judas hole — n. peephole, small hole for looking through …

    English contemporary dictionary

  • 86touch hole — noun a small hole in early firearms through which the charge is ignited …

    English new terms dictionary

  • 87pin·hole — /ˈpınˌhoʊl/ noun, pl holes [count] : a very small hole made by a pin or in some other way The water was leaking through a pinhole in the pipe. pinhole leaks …

    Useful english dictionary

  • 88cubby-hole — small open compartment in a desk or cabinet for keeping things; open glove compartment in older cars; snug place …

    English contemporary dictionary

  • 89Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …

    Wikipedia

  • 90Micro black hole — MBH redirects here. For other uses see MBH (disambiguation) Micro black holes are tiny black holes, also called quantum mechanical black holes or mini black holes, for which quantum mechanical effects play an important role.[1] It is possible&#8230; …

    Wikipedia