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

• subterrane
• subterranean
• subterraneans
• subterraneous
• subterraneously
• subterranes
• subterrene
• subterrenes
• subterrestrial
• subtext
• subtexts
• subthreshold
• subtidal
• subtil
• subtile
• subtilisation
• subtilisations
• subtilise
• subtilised
• subtilises
• subtilising
• subtilization
• subtilizations
• subtilize
• subtilized