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Alton
Altoona
altostratus
altricial
altruism
ALU
alu
alu sequence family
alula
alum (1)
alum (2)
alumina
aluminate
aluminiferous
aluminise
aluminium
aluminize
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alula

al·u·la [ állyələ ] (plural al·u·lae [ állyə l ])


noun 
Definition:
 
part of bird's wing: the part of a bird's wing that corresponds to a thumb and contains a few short feathers

[Late 18th century. < modern Latin, "little wing" < Latin ala "wing"]

al·u·lar adjective
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