What is another word for apertures?
Pronunciation: [ˈapət͡ʃəz] (IPA) 
Apertures are openings or gaps in a surface that allow light or air to pass through. Synonyms for apertures include holes, openings, gaps, slots, cracks, breaches, portals, orifices, channels, and passageways. These words can be used interchangeably depending on the context. For example, a camera lens has an aperture that can be adjusted to control the amount of light that enters, while a door has an aperture that allows people to pass through. Similarly, a wound can be described as having an aperture or a breach, while a tunnel or cave may have a portal or passageway. Using synonyms can add variety to writing and help to avoid repetition.
