Pterylosis

Home | Index

We love those sites:

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pterylosis \Pter`y*lo"sis\, n. [NL., fr. NL. & E. pteryla.]
     (Zool.)
     The arrangement of feathers in definite areas.
     [1913 Webster]