airlock vs angle

airlock

noun
  • A vestibule, foyer or entranceway with doors to the exterior on one end and doors to the interior on the other, functioning to keep indoor and outdoor air, humidity, and air temperatures separate. 

  • A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in. 

angle

noun
  • A corner where two walls intersect. 

  • A figure formed by two rays which start from a common point (a plane angle) or by three planes that intersect (a solid angle). 

  • A change in direction. 

  • A projecting or sharp corner; an angular fragment. 

  • Any of the four cardinal points of an astrological chart: the Ascendant, the Midheaven, the Descendant and the Imum Coeli. 

  • A fishhook; tackle for catching fish, consisting of a line, hook, and bait, with or without a rod. 

  • A storyline between two wrestlers, providing the background for and approach to a feud. 

  • Any of various hesperiid butterflies. 

  • The focus of a news story. 

  • The measure of such a figure. In the case of a plane angle, this is the ratio (or proportional to the ratio) of the arc length to the radius of a section of a circle cut by the two rays, centered at their common point. In the case of a solid angle, this is the ratio of the surface area to the square of the radius of the section of a sphere. 

  • An ulterior motive; a scheme or means of benefitting from a situation, usually hidden, often immoral 

  • A viewpoint; a way of looking at something. 

verb
  • To present or argue something in a particular way or from a particular viewpoint. 

  • To change direction rapidly. 

  • To try to catch fish with a hook and line. 

  • To place (something) at an angle. 

  • To attempt to subtly persuade someone to offer a desired thing. 

  • To hamper (oneself or one's opponent) by leaving the cue ball in the jaws of a pocket such that the surround of the pocket (the "angle") blocks the path from cue ball to object ball. 

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