“occult” literally means “hidden from view,” which is why we use it both in astronomy and to refer to secret knowledge.
One engineering school is even promoting a fascinating course on the relationship between the occult and technology.
The people of Ponchatoula were also left wondering if the occult had anything to do with the crimes.
God alone is in the secret of the energy we expend upon our occult triumphs over man, over things, over ourselves.
Vortices may be called an occult quality, because their existence was never proved.
For you they may possess an occult significance of which I know nothing.
It is the Arabic kimia, the occult art or science, from kamai, to conceal.
The Gauls possessed an occult philosophy, and a mystic religion, which were destroyed by the influences of the Roman Conquest.
Bentwood had a positive genius for the occult and underground.
And the sense of occult rivalry in suitorship was so much superadded to the palpable rivalry of their business lives.
1530s, "secret, not divulged," from Middle French occulte and directly from Latin occultus "hidden, concealed, secret," past participle of occulere "cover over, conceal," from ob "over" (see ob-) + a verb related to celare "to hide," from PIE root *kel- "to hide" (see cell). Meaning "not apprehended by the mind, beyond the range of understanding" is from 1540s. The association with the supernatural sciences (magic, alchemy, astrology, etc.) dates from 1630s.
occult oc·cult (ə-kŭlt', ŏk'ŭlt')
Detectable only by microscopic examination or chemical analysis.
Not accompanied by readily detectable signs or symptoms.