1. Having no known beginning and presumably no end
   "sempiternal truth"
   - dateless, endless

See also: infinite

• pulmonary plexis
• pulmonary reserve
• pulmonary stenosis
• pulmonary trunk
• pulmonary tuberculosis
• pulmonary valve
• pulmonary vein
• Pulmonata
• pulmonate
• pulmonic
• pulmonic plague
• pulmonologist
• pulmonology
• pulp
• pulp cavity
• pulp magazine
• pulpiness
• pulpit
• pulpwood
• pulpy
• pulque
• pulsar
• pulsate
• pulsatile
• Pulsatilla