ranura bedeutet auf Englisch

gouge [gouges]▼(cut or groove)
noun
[UK: ɡaʊdʒ] [US: ˈɡaʊdʒ]

groove [grooves]▼(long, narrow channel)
noun
[UK: ɡruːv] [US: ˈɡruːv]Bacteria can hide in grooves in cutting boards. = Las bacterias pueden esconderse en las ranuras de tablas de cocina.

notch [notches]▼(V-shaped cut)
noun
[UK: nɒtʃ] [US: ˈnɑːtʃ]

slit [slits]▼(narrow cut or opening; a slot)
noun
[UK: slɪt] [US: sˈlɪt]

slot [slots]▼(narrow depression, perforation, or aperture)
noun
[UK: slɒt] [US: sˈlɑːt]The machine features some ventilation slots. = La máquina dispone de unas ranuras para la ventilación.

groove [grooved, grooving, grooves]▼(to cut a furrow into a surface)
verb
[UK: ɡruːv] [US: ˈɡruːv]Bacteria can hide in grooves in cutting boards. = Las bacterias pueden esconderse en las ranuras de tablas de cocina.