triatomic /trī-ə-tomˈik/

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

• sulkiness
• sulkinesses
• sulking
• sulks
• sulky
• sullage
• sullages
• sullen
• sullener
• sullenest
• sullenly
• sullenness
• sullennesses
• sullied
• sullies
• sully
• sullying
• sulph-
• sulpha
• sulphacetamide
• sulphacetamides
• sulphadiazine
• sulphadiazines
• sulphadimidine
• sulphamethoxazole