This section lists some binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and some other compounds of carbon.
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Shawm, (from Latin calamus, âreedâ; Old French: chalemie), double-reed wind instrument of Middle Eastern origin, a precursor of the oboe. Like the oboe, it is conically bored; but its bore, bell, and finger holes are wider, and it has a wooden disk (called a pirouette, on European shawms) that supports the lips and, on Asian instruments, holds them away from the reed.