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

• adaptivenesses
• adaptive radiation
• adaptive radiations
• adaptogen
• adaptogens
• adaptor
• adaptors
• adapts
• Adar
• ad arbitrium
• Adar Sheni
• ADAS
• ad astra
• ad avizandum
• adaw
• adawed
• adawing
• adaws
• adaxial
• a day after the fair
• a day behind the fair
• adays
• ADC
• ad Calendas Graecas
• ad captandum