1. A wave number characteristic of the wave spectrum of each element
   - rydberg, rydberg constant

Type of: wave number

• incentive option
• incentive program
• incentive scheme
• incentive stock option
• incentivise
• incentivize
• inception
• inceptive
• incertain
• incertitude
• incessancy
• incessant
• incessantly
• incessantness
• incest
• incestuous
• incestuously
• inch
• Incheon
• inchmeal
• inchoate
• inchoative
• inchoative aspect
• Inchon
• inchworm