incubator vs niche

incubator

noun
  • Any apparatus used to maintain environmental conditions suitable for a reaction. 

  • An apparatus used to maintain environmental conditions suitable for a newborn baby. 

  • A place to maintain the culturing of bacteria at a steady temperature. 

  • A support programme for the development of entrepreneurial companies. 

  • An apparatus used to maintain environmental conditions suitable for the hatching of eggs. 

niche

noun
  • A function within an ecological system to which an organism is especially suited. 

  • Specifically, a cremation niche; a columbarium. 

  • Any position of opportunity for which one is well-suited, such as a particular market in business. 

  • A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. 

  • Any similar position, literal or figurative. 

  • An arrow woven into a prayer rug pointing in the direction of qibla. 

adj
  • Pertaining to or intended for a market niche; having specific appeal. 

verb
  • To specialize in a niche, or particular narrow section of the market. 

  • To place in a niche. 

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