monatomic /mon-ə-tomˈik/ (chem)

1. Consisting of one atom
2. Having one replaceable atom or group
3. Univalent

• quacksalvers
• quacksalving
• quad
• Quad
• quad bike
• quadded
• quadding
• quadr-
• quadragenarian
• quadragenarians
• quadragenary
• Quadragesima
• quadragesimal
• quadrangle
• quadrangles
• quadrangular
• quadrangularly
• quadrans
• quadrant
• quadrantal
• quadrantes
• quadrants
• quadraphonic
• quadraphonics
• quadraphony