Definition that contains apo
- mark Apostle and companion of Saint Peter; assumed to be the author of the second Gospel
- patrick Apostle and patron saint of Ireland; an English missionary to Ireland in the 5th century
- apogee apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth
- elf cup apothecium of a fungus of the family Pezizaceae
- aphelion apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
- apojove apoapsis in orbit around Jupiter
- saint patrick Apostle and patron saint of Ireland; an English missionary to Ireland in the 5th century
- apolune apoapsis in orbit around the moon
- saint mark Apostle and companion of Saint Peter; assumed to be the author of the second Gospel
- st. patrick Apostle and patron saint of Ireland; an English missionary to Ireland in the 5th century