occult

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occult

 [ŏ-kult´]
obscure or hidden from view.
occult blood test examination by microscope or chemical test of a specimen (such as feces, urine, or gastric juice) for presence of blood that is not otherwise detectable. Feces are tested when intestinal bleeding is suspected but there is no visible evidence of blood.

oc·cult

(ŏ-kŭlt', ok'ŭlt),
1. Hidden; concealed; not manifest.
2. Denoting a concealed hemorrhage, the blood being inapparent or localized to a site where it is not visible.
3. In oncology, a clinically unidentified primary tumor with recognized metastases.
[L. oc-culo, pp. -cultus, to cover, hide]

occult

/oc·cult/ (ŏ-kult´) obscure or hidden from view.

occult

(ə-kŭlt′, ŏk′ŭlt′)
adj.
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.
v.intr.
To become concealed or extinguished at regular intervals: a lighthouse beacon that occults every 45 seconds.

oc·cult′ly adv.
oc·cult′ness n.

occult

[əkult′]
Etymology: L, occultare, to hide
hidden or difficult to observe directly, such as occult prolapse of the umbilical cord or occult blood.

occult

Medspeak
adjective Not obvious; hidden; of unknown cause.

occult

adjective Not obvious, hidden, of unknown cause noun Paranormal dee-dee-dee–dee–dee-dee-dee–dee

oc·cult

(ŏ-kŭlt')
1. Hidden; concealed; not manifest.
2. Denoting a disease or condition (bleeding, infection) that is clinically inapparent, though it may be inferred from indirect evidence or identified by special tests.
See: occult blood
3. oncology A clinically unidentified primary tumor with recognized metastases.

occult

Concealed or hidden, especially of traces of blood in the faeces or sputum which can be detected only by special tests.

Occult

Not visible or easily detected.

oc·cult

(ŏ-kŭlt')
Hidden; concealed; not manifest.

occult

obscure or hidden from view.

occult blood test
examination, microscopically or by a chemical test, of a specimen of feces, urine, gastric juice, etc., to determine the presence of blood not otherwise detectable. Feces are tested when intestinal bleeding is suspected but there is no visible evidence of blood in the stools.
occult heartworm infection
infection by Dirofilaria immitis in which circulating microfilariae cannot be detected in the peripheral blood by the usual test methods.
occult spavin
see occult spavin.
occult virus
the virus or infectious agent cannot be isolated but there is strong circumstantial evidence that it is present, e.g. scrapie prion.
References in periodicals archive ?
But the researchers observed symmetrical, sharp features near the start and end of the stellar occultation -- a sign that material such as dust might be blocking a fraction of the starlight.
A description of how to observe and report asteroidal occultations can be found in the 2014 Handbook, page 47.
There have been many nighttime lunar occultation of Venus, but this time it is special as it is happening in broad daylight.
Detection of Spatially Extended Sources in High Energy Astrophysics with Special Applications to the Lunar Occultation Observer (LOCO).
Nicholson PD et al: Saturn's Rings I Optical Depth Profiles from the 28 Sgr Occultation.
The fragment from Ariadne's lament in Montaigne's text confirms the thematic importance of the labyrinth in the passage, and invites a more systematic analysis of the essay's oblique disclosure or surreptitious occultation of the symbolically powerful maze.
The Mufawwida continued their efforts during the Minor Occultation and, in the 4th/10th century, succeeded in getting many of their views into Imamite collections of hadith such as al-Kulini's Kafi.
On Earth, ratio occultation could provide a vertical series of nearly simultaneous readings at different altitudes, one kilometer apart, on a global scale.
The satellite-based Pyxis-RO will track GPS signals traveling through Earth's atmosphere and convert them into dense, precise measurements of global temperature, pressure and water vapor using a technique called radio occultation (RO).
Ahmadi-nejad, who is known for his devotion to the Hidden Imam, said US universities have debriefed numerous individuals who have been in touch with the spiritual leader, who has been in occultation since disappearing in 941 CE, according to Shiite theology.
La preservation du fonds public des predateurs et des rapaces vereux, de quelque registre que ce soit, est une obligation qui n'admet ni occultation ni misericorde.
Through the use of today's ubiquitous GPS signals, and employing a technique pioneered by NASA in the late 1960's called GPS Radio Occultation, Spire will collect highly accurate atmospheric data.