triatomic /trī-ə-tomˈik/

1. Consisting of three atoms
2. Having three replaceable atoms or groups
3. Trivalent

triatomˈically adverb

• supernumerary
• supernurse
• superoctave
• superoctaves
• superorder
• superorders
• superordinal
• superordinary
• superordinate
• superordinated
• superordinates
• superordinating
• superordination
• superorganic
• superorganism
• superorganisms
• superovulate
• superovulated
• superovulates
• superovulating
• superovulation
• superovulations
• superoxide
• superoxides
• superpatriot