•lacuna · a space visible between cells, allowing free passage of light. · an absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar.
vacuum, void, emptiness · interstellar space · gap in space or time (an opening made by breaking or parting, allowing passage, or implying a breach or defect)
çekim: çoğul κενά · tamlayan κενού
köken: Nominalization of adjective κενός (empty, vain)
hole, gap, opening · aperture · hole (lack of an electron)
çekim: çoğul aukot · tamlayan aukon
köken: From Proto-Finnic *aukko (compare Estonian auk, Votic aukko), either derived from the same root as avata, aukea, or alternatively proposed to be a borrowing from Proto-Germanic *augô (“eye”).