perpetuity /pûr-pi-tūˈi-ti/

1. The state of being perpetual
2. Endless time
3. Duration for an indefinite period
4. Something lasting for ever
5. The sum paid for a perpetual annuity
6. The annuity itself
7. An arrangement whereby property is tied up, or rendered inalienable, for all time or for a very long time

• hydrides
• hydriodic
• hydro
• hydro-
• hydro-aeroplane
• hydro-aeroplanes
• hydro-airplane
• hydro-airplanes
• hydrobiological
• hydrobiologies
• hydrobiologist
• hydrobiologists
• hydrobiology
• hydrobromic
• hydrocarbon
• hydrocarbons
• hydrocele
• hydroceles
• hydrocellulose
• hydrocelluloses
• hydrocephalic
• hydrocephalous
• hydrocephalus
• hydrocephaluses
• Hydrocharis