space vs stratosphere

space

noun
  • The near-vacuum in which planets, stars and other celestial objects are situated; the universe beyond the earth's atmosphere. 

  • A (chiefly empty) area or volume with set limits or boundaries. 

  • Physical extent across two or three dimensions (sometimes for or to do something). 

  • A set of points, each of which is uniquely specified by a number (the dimensionality) of coordinates. 

  • A field, area, or sphere of activity or endeavour. 

  • A gap; an empty place. 

  • A piece of metal type used to separate words, cast lower than other type so as not to take ink, especially one that is narrower than one en (compare quad). 

  • An undefined period of time (without qualifier, especially a short period); a while. 

  • The physical and psychological area one needs within which to live or operate; personal freedom. 

  • Distance between things. 

  • A generalized construct or set whose members have some property in common; typically there will be a geometric metaphor allowing these members to be viewed as "points". Often used with a restricting modifier describing the members (e.g. vector space), or indicating the inventor of the construct (e.g. Hilbert space). 

  • A specific (specified) period of time. 

  • A position on the staff or stave bounded by lines. 

  • Physical extent in all directions, seen as an attribute of the universe (now usually considered as a part of space-time), or a mathematical model of this. 

  • A gap in text between words, lines etc., or a digital character used to create such a gap. 

  • Anything analogous to a physical space in which one can interact, such as an online chat room. 

verb
  • To insert or utilise spaces in a written text. 

  • To set some distance apart. 

  • To eject into outer space, usually without a space suit. 

  • To travel into and through outer space. 

stratosphere

noun
  • The region of the uppermost atmosphere where temperature increases along with the altitude due to the absorption of solar ultraviolet radiation by ozone. The stratosphere extends from the tropopause (10–15 kilometers) to approximately 50 kilometers, where it is succeeded by the mesosphere. 

How often have the words space and stratosphere occurred in a corpus of books? (source: Google Ngram Viewer )