adapter vs fixture

adapter

noun
  • A device or application used to achieve operative compatibility between devices that otherwise are incompatible. 

  • One who adapts a thing, e.g. a play. 

  • Specifically, a device that allows one format of plug to be used with a different format of socket. 

  • Specifically, an AC adapter: a device that reduces voltage and converts AC to DC to allow a battery-powered device to use mains power. 

  • Specifically, a device that permits two, three, or more plugs to be used at a single electrical power point. 

  • One who is capable of adapting to differing situations. 

fixture

noun
  • A work-holding or support device used in the manufacturing industry. 

  • A scheduled match. 

  • A regular patron of a place or institution; a person constantly present at a certain place. 

  • A lighting unit; a luminaire. 

  • Something that is fixed in place, especially a permanent appliance or other item of personal property that is considered part of a house and is sold with it; compare fitting, furnishing. 

  • A state that can be recreated, used as a baseline for running software tests. 

verb
  • To furnish with, as, or in a fixture. 

  • To schedule (a match). 

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