glittering vs polychromate

glittering

adj

  • Brightly sparkling. 

  • Valuable, desirable. 

noun

  • The appearance of something that glitters. 

polychromate

adj

  • Composed of many colours 

noun

  • A salt or ion composed of multiple chromate groups 

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