Home › Words › S › substratospheresubstratospheresubstratosphere means the area of the atmosphere directly below the stratosphere.Among words judged in Lexicurio's Arena, substratosphere ranks #6,994 of 42,762 for Qualifying.EtymologyFrom sub- + stratosphere.nounThe area of the atmosphere directly below the stratosphere.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.substratospheric 87% match — Below the stratosphere. vs substratosphere →subatmosphere 67% match — The lower part of an atmosphere, especially that of the sun vs substratosphere →barosphere 65% match — The part of an atmosphere below the exosphere vs substratosphere →mesosphere 64% match — The layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere. vs substratosphere →stratopause 61% match — In the atmosphere, the boundary between the stratosphere and the mesosphere. vs substratosphere →substratum 60% match — A layer that lies underneath another. vs substratosphere →peplosphere 59% match — The lower layer of the atmosphere that is in direct contact with the ground vs substratosphere →stratospheric 58% match — Of, relating to, or occurring in the stratosphere (“the region of the uppermost atmosphere”). vs substratosphere →