Dictionary

adamantine

adjective ad·a·man·tine \ˌa-də-ˈman-ˌtēn, -ˌtīn, -ˈman-tən\

Definition of ADAMANTINE

1
:  made of or having the quality of adamant
2
:  rigidly firm :  unyielding <adamantine discipline>
3
:  resembling the diamond in hardness or luster

Examples of ADAMANTINE

  1. <the adamantine opposition of his parents to his marriage to a girl from a poor family>

Origin of ADAMANTINE

Middle English, from Latin adamantinus, from Greek adamantinos, from adamant-, adamas
First Known Use: 13th century

Other Mineralogy Terms

agate, host, inclusion, matrix, streak
Medical Dictionary

adamantine

adjective ad·a·man·tine \ˌad-ə-ˈman-ˌtēn, -ˌtīn, -ˈmant-ən\

Medical Definition of ADAMANTINE

:  characterized by extreme hardness or luster

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July 28, 2015
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