English dictionary
phonolite
/'f/oU/n,/-/l/aI/t/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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A compact, feldspathic, igneous rock containing nephelite, haüynite, etc. Thin slabs give a ringing sound when struck; -- called also <i>clinkstone</i>.
Source: webster1913