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horned dinosaur
horned lizard
horned owl
horned pout
horned toad
horned viper
hornet
hornet’s nest
hornfels
horning
hornist
hornpipe
hornpout
hornstone
hornswoggle
horntail
hornworm
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hornfels

horn·fels [ háwrn fèlz ]


noun 
Definition:
 
fine-grained rock: a fine-grained metamorphic rock composed of silicate minerals and formed through the action of heat and pressure on shale

[Mid-19th century. < German, "horn rock"]
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