opposable

adjective op·pos·able \ə-ˈpō-zə-bəl\

: able to be placed against one or more of the other fingers or toes on the same hand or foot

Full Definition of OPPOSABLE

: capable of being opposed or resisted

: capable of being placed against one or more of the remaining digits of a hand or foot <the opposable human thumb>

— op·pos·abil·i·ty \-ˌpō-zə-ˈbi-lə-tē\ noun

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circa 1812

Medical Dictionary

adjective op·pos·able \ə-ˈpō-zə-bəl\

: capable of being placed against one or more of the remaining digits of a hand or foot <an opposable thumb>

—op·pos·abil·i·ty \-ˌpō-zə-ˈbil-ət-ē\ noun, plural op·pos·abil·i·ties

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