CHEMISORPTIONS
Scrabble letter values: C3H4E1M3I1S1O1R1P3T1I1O1N1S1 = 23
Definition
CHEMISORPTIONS is the plural of CHEMISORPTION.
noun CHEMISORPTION: adsorption (especially when irreversible) by means of chemical instead of physical forces.
Synonyms of CHEMISORPTION: chemosorption