appulse /ə-pulsˈ/

1. A striking against something
2. (of two celestial objects) an apparent coming to conjunction or to the meridian as perceived by an observer (astronomy)
3. Specif the close approach of a planet or asteroid to a star without the occurrence of an eclipse

• propulsions
• propulsive
• propulsor
• propulsors
• propulsory
• propyl
• propyla
• propylaea
• propylaeum
• propyl alcohol
• propyl alcohols
• propylamine
• propylamines
• propylene
• propylene glycol
• propylene glycols
• propylenes
• propylic
• propylite
• propylites
• propylitisation
• propylitise
• propylitised
• propylitises
• propylitising