lapidary vs thumbnail

lapidary

noun
  • A person who cuts, polishes, engraves, or deals in gems. 

  • The process of such work. 

  • The field in which such a person works, a subfield of gemology. 

  • An expert in gems or precious stones; a connoisseur of lapidary work. 

adj
  • Suitable for inscriptions; efficient, stately, concise; embodying the refinement and precision characteristic of stone-cutting. 

  • Pertaining to gems and precious stones, or the art of working them. 

thumbnail

noun
  • A rough sketch (e.g., the size of one's thumbnail). 

  • The fingernail on the thumb. 

  • A small picture, used as a compact representation of a larger image. 

verb
  • To describe concisely. 

  • To create a smaller representation of (a larger image). 

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