| claque | (noun) a group of followers hired to applaud at a performance | - |
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| macaque | (noun) short-tailed monkey of rocky regions of Asia and Africa | - |
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| opaque | (adjective) not transmitting or reflecting light or radiant energy; impenetrable to sight | - |
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| (adjective) hard or impossible to understand | Synonyms: unintelligible |
| plaque | (noun) a memorial made of brass | Synonyms: brass, memorial tablet |
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| (noun) (pathology) a small abnormal patch on or inside the body | - |
| radiopaque | (adjective) not transparent to X-rays or other forms of radiation | Synonyms: radio-opaque |
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| semiopaque | (adjective) partially opaque | - |
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