bus vs oil burner

bus

noun
  • Part of a MIRV missile, having on-board motors used to deliver the warhead to a target. 

  • An electrical conductor or interface serving as a common connection for two or more circuits or components. 

  • An ambulance. 

  • A motor vehicle for transporting large numbers of people along roads. 

verb
  • To travel by bus. 

  • To transport students to school, often to a more distant school for the purposes of achieving racial integration. 

  • To clear meal remains from. 

  • To transport via a motor bus. 

  • To work at clearing the remains of meals from tables or counters; to work as a busboy. 

oil burner

noun
  • A machine that uses oil as its fuel. 

  • A heating device which burns fuel oil; an oil furnace. 

  • A device whose operation causes apparent combustion of lubricating oil. 

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