Definition of phytocollite in US English:

phytocollite

noun

Mineralogy
rare
  • A black organic substance found in or below peat deposits and having a jelly-like consistency until dried by exposure to the air.

Origin

Late 19th century. From phyto- + ancient Greek κόλλα glue + -ite.

Pronunciation

phytocollite

/ˌfʌɪtəʊˈkɒlʌɪt/