macronychia

mac·ro·nych·i·a

(mak'rō-nik'ē-ă),
Abnormally large fingernails or toenails.
[macro- + G. onyx, nail]

macronychia

/mac·ro·nych·ia/ (-nik´e-ah) abnormal length of the fingernails.

macronychia

A condition in which the finger- and/or toenails are larger than normal, usually wider than they are long, due to shortening of the bone of the distal phalanx.
 
Aetiology
Idiopathic, Proteus syndrome, Rubinstein Taybi syndrome.

mac·ro·nych·i·a

(mak'rō-nik'ē-ă)
Abnormally large fingernails or toenails.
[macro- + G. onyx, nail]

macronychia

abnormally enlarged claws or hooves.