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English-Thai Dictionary

peridotite

N หิน ภูเขาไฟ ที่ มี ลักษณะ ของ หิน แกรนิต 

 

Webster's 1913 Dictionary

PERIDOTITE

Per "i *do *tite, n. Etym: [Cf. F. péridotite.] (Min. )

 

Defn: An eruptive rock characterized by the presence of chrysolite (peridot ). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.

 

Note: The chief diamond deposits in South Africa occur in a more or less altered peridotite.

 

New American Oxford Dictionary

peridotite

per i do tite |ˈperidəˌtīt, pəˈridəˌtīt ˈpɛrɪdətaɪt | noun Geology a dense, coarse-grained plutonic rock containing a large amount of olivine, believed to be the main constituent of the earth's mantle. DERIVATIVES per i do tit ic |ˌperidəˈtitik, pəˌridə - |adjective

 

Oxford Dictionary

peridotite

peridotite |ˈpɛrɪdɒtʌɪt | noun [ mass noun ] Geology a dense, coarse-grained plutonic rock containing a large amount of olivine, believed to be the main constituent of the earth's mantle. DERIVATIVES peridotitic |-ˈtɪtɪk |adjective