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to occult

to occult

1 9.3
To block something from view by passing in front of it
  • verb
  • /əˈkʌlt/
  • Specialized
translation icon : ocultar
  • This capability can also be used to view sources in different parts of the sky when the source located near the viewing axis of the spacecraft is occulted by the Earth.
  • occulted star

Examples

  • The comet will occult a distant star, making it impossible to see for a brief period.

  • Move the center of the Moon figure along the path for your location (see figure caption for details) to see what stars will be occulted in your area and when.

    Academic text (1993)
  • This requires space vehicles to get at the right position so that the edge or limb of the moon occults appropriate stars.

  • This makes it possible for a section of Uranus's rings to occult (block) light from a background star while the planet itself does not.

    Academic text (1990)
  • Even as the moon occulted Pluto last night in her repeated and relentless determination.

    Blog text (15)
  • When KAO discovered Uranus's rings, for example, it flew out of Australia (where it needed to be) to record what happened when Uranus occulted a distant star, an event not visible everywhere on Earth.

    Academic text (2002)
  • The brightest star is 4.8-magnitude SAO 76532, Omega Tauri, which will be occulted in the penumbra in eastern North America.

    Academic text (1993)
  • For example, the double star, SAO 76571, with two components of magnitudes 6.2 and 9.3 separated by 1.9 seconds of arc, will be occulted in the umbra for most of North America.

    Academic text (1993)
  • During the lunar eclipse, the Earth will occult the Moon, blocking it from view.

  • At midnight, the tree will occult the street lamp, casting a large shadow across the pavement.

Synonyms

to block out
vsto occult
38 4.0

To stop yourself remembering or noticing something unpleasant

hides by passing in front rather than general stopping of light
to eclipse
vsto occult
  • Specialized
4 5.6

To move in front of a brighter object and block its light

hides by moving in front to create that shadowed cover
to enshroud
vsto occult
  • Literature
1 8.2

To cover something completely so you cannot see or understand it

hides by passing in front rather than by full covering or secrecy
to becloud the view
vsto occult
8.7

Make the view hard to see because of fog or smoke

hides by moving before an object not just making vision unclear

Antonyms

2.3

Show something that was hidden or secret

146 2.8

Make something visible by removing a cover or letting light reach it

Compounds

fecal occult test
  • Specialized
5.2

A test that checks stool for hidden blood to find early colon cancer

Practices that try to use hidden powers like magic

How Obscure

eclipse
  • Specialized
87 5.2
to occult
  • Specialized
1 9.3
to obscure
86 7.0
to hide
1.0
to veil
24 5.0
to cover
1.0

Surface Forms

occult infinitive
occulted past
occulted past participle
occulting present participle
occults third person singular

Etymology

Occult as a verb comes from the old Latin occultare and occultus, both meaning 'to hide' and formed from ob- 'against' and celare 'to hide'. So to occult something is to put it out of view or block it, just like the moon hiding the sun in an eclipse.