glideslope

== English == === Etymology === Compound of glide +‎ slope. === Pronunciation === IPA(key): /ˈɡlaɪdˌsloʊp/ === Noun === glideslope (plural glideslopes) (aviation) The portion of an instrument landing system which provides vertical guidance to an aircraft during an approach to landing. (aviation, by extension) The vertical descent profile produced by the ILS glideslope transmitters. (aviation) The approach path of an aircraft as it comes in to land.