2) occultation. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
...for determining the position or radiant structure of a celestial source so occulted: a lunar occultation of a quasar. Middle English occultacion, from Latin occulttio,...

3) 449. Disappearance. Mawson, C.O. Sylvester. 1922. Roget s International Thesaurus of English Words and Phrases
... NOUN: DISAPPEARANCE, evanescence, eclipse, occultation; insubstantiality. departure [See Departure]; exit; vanishing, vanishment, vanishing point; dissolving views....

4) 528. Concealment. Mawson, C.O. Sylvester. 1922. Roget s International Thesaurus of English Words and Phrases
... NOUN: CONCEALMENT; hiding &c. v.; occultation, mystification. reticence, reserve, reservation; mental reservation, aside; arrière pensée [F.], suppression, evasion,...

5) transit. The Columbia Encyclopedia, Sixth Edition. 2001
...of a larger one. (The passage of a large body across a smaller one is called an eclipse or occultation.) All of the fixed stars transit the celestial meridian once...

6) egress. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
...opening for going out; an exit. 4. Astronomy The emergence of a celestial body from eclipse or occultation. Inflected forms: e·gressed, e·gress·ing, e·gress·es To...

7) occult. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
...oc·cults(-kult)1. To conceal or cause to disappear from view. 2. Astronomy To conceal by occultation: The moon occulted Mars. To become concealed or extinguished...

8) imam. The Columbia Encyclopedia, Sixth Edition. 2001
...Imams being a prerequisite for human salvation, al-Mahdi, the last Imam, is considered in occultation (hidden from humanity) since 874 only to return near the end...

9) Shiites. The Columbia Encyclopedia, Sixth Edition. 2001
...(in India, Pakistan, Syria, and Yemen). The central belief of Twelve-Imam Shiites is the occultation (or disappearance from view) of the 12th Imam. The 12th Imam...

10) §49. Lord de Tabley. VI. Lesser Poets of the Middle and Later Nineteenth Century. Vol. 13. The Victorian Age, Part One. The Cambridge History of English and American Literature: An Encyclopedia in Eighteen Volumes. 1907–21
...and the quieter and more purely scholarly character of Warren s piece, made a certain occultation inevitable. The last of the series, The Soldier s Fortune, published...