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A very compact, dark-coloured ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.

Origin: Gr. Invisible; priv. + to appear.

(01 Mar 1998)

aphalangia, aphaniptera, aphanipterous, aphanisis < Prev | Next > aphanitic, aphasia, aphasia, broca

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