At dawn, the apparition of the mountain's peak through the mist took everyone's breath away.

Late at night, witnesses reported seeing apparitions drifting silently through the abandoned hospital.

The investigators compiled reports of apparitional phenomena at the ruined priory, each account sharing eerie similarities.

To determine whether a prime p divides a term in the Fibonacci sequence, one computes the rank of apparition of p in that sequence.

Scholars debated whether the different ranks of apparition in the folklore reflected social hierarchies or stages of spiritual awakening.

As the séance progressed, the apparitionist insisted that every shadow on the wall was a spirit trying to communicate.

Several apparitionists conducted a vigil at the ruined abbey, hoping to document any spectral appearances.