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kern (2)
kerne
kernel
kernel spots
kerning
kernite
kernmantel rope
kero
kerogen
kerosene
kerplunk
Kerr effect
Kerry (1)
Kerry (2)
Kerry blue terrier
kersey
kerseymere
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kerogen
ker·o·gen [ kérrəjən ]


noun 
Definition:
 
oil-producing material in rocks: a fossilized insoluble organic material found in some sedimentary rocks such as oil shales, yielding petroleum products when heated
[Early 20th century. < Greek kēros "wax"]
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