1. Everlastingly; for all time
   "rays...streaming perpetually from the sun" 
2. Without interruption
   - constantly, always, forever, incessantly, unremittingly

See also: perpetual

• Heterotrichales
• heterotroph
• heterotrophic
• heterozygosity
• heterozygote
• heterozygous
• heth
• hetman
• Heuchera
• Heuchera americana
• Heuchera cylindrica
• Heuchera sanguinea
• heulandite
• heuristic
• heuristic program
• heuristic rule
• Hevea
• Hevea brasiliensis
• Hevesy
• hew
• hew out
• hewer
• hewn
• hex
• hex nut