occulting


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oc·cult

 (ə-kŭlt′, ŏk′ŭlt′)
adj.
1. Of, relating to, or dealing with supernatural or magical influences, agencies, or occurrences: occult astrological powers.
2. Available only to the initiate; secret or mysterious: occult lore. See Synonyms at mysterious.
3. Beyond the realm of human comprehension; inscrutable: The causes of those phenomena remain occult.
4. Hidden from view; concealed: "Hatchlings and juveniles ... keep to this occult place through all the seasons" (David M. Carroll).
5.
a. Medicine Detectable only by microscopic examination or chemical analysis, as a minute blood sample.
b. Not accompanied by readily detectable signs or symptoms: occult carcinoma.
n.
Occult practices or techniques: a student of the occult.
v. (ə-kŭlt′) oc·cult·ed, oc·cult·ing, oc·cults
v.tr.
1. To conceal or cause to disappear from view.
2. Astronomy To conceal by occultation: The moon occulted Mars.
v.intr.
To become concealed or extinguished at regular intervals: a lighthouse beacon that occults every 45 seconds.

[Latin occultus, secret, past participle of occulere, to cover over; see kel- in Indo-European roots.]

oc·cult′ly adv.
oc·cult′ness n.
References in classic literature ?
Verde inclined guide-light changes from 1st proximo to triple flash--green white green--in place of occulting red as heretofore.
SNAEFELL JOKUL--White occulting light withdrawn for winter.
The map above shows the nominal path of each asteroid shadow, labeled with the name of the occulting body, the approximate Universal Time (UT), and the date in UT.