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Definition of Goethite
1. Noun. A red or yellow or brown mineral; an oxide of iron that is a common constituent of rust. 
Definition of Goethite
1. an ore of iron [n -S]
Medical Definition of Goethite
1. 
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1. Noun. A red or yellow or brown mineral; an oxide of iron that is a common constituent of rust. 
1. an ore of iron [n -S]
1.