Dictionary.com
Thesaurus.com

trimolecular

American  
[trahy-muh-lek-yuh-ler] / ˌtraɪ məˈlɛk yə lər /

adjective

Chemistry.
  1. pertaining to or having three molecules.


trimolecular British  
/ ˌtraɪməˈlɛkjʊlə /

adjective

  1. chem of, concerned with, formed from, or involving three molecules

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of trimolecular

tri- + molecular

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The trimolecular polymerization of numerous acetylene compounds—substances containing two trebly linked carbon atoms, —C:C—, to form derivatives of benzene is of considerable interest.

From Project Gutenberg