Englishfor English speakers
excavation
Noun
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Excavation is the act of digging something, especially an archaeological site.
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An excavation is the site that is being or has been excavated.
of
Preposition
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Made using.
It is a house of cards.
optic
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adjective
(= ocular, optical)
of or relating to or resembling the eye
ocular muscles
an ocular organ
ocular diseases
the optic (or optical) axis of the eye
an ocular spot is a pigmented organ or part believed to be sensitive to light
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adjective
(= ocular, optical, visual)
relating to or using sight
ocular inspection
an optical illusion
visual powers
visual navigation
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noun
(= eye)
the organ of sight
disk
Noun
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A disk is an object that is thin, flat, and circular.
A coin is a disk of metal.
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Something that looks like a disk.
Venus' disk blocked light from the Sun.
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A vinyl phonograph / gramophone record.
Turn the disk over after it has finished.
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A floppy disk.
He still uses floppy disks from 1979.
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A disc - either a CD-ROM, an audio CD, a DVD.
She burned some disks yesterday to back up the information on her computer.