Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
pterylography
CIDE DICTIONARY
pterylography, n. [Pteryla + -graphy.].
The study or description of the arrangement of feathers, or of the pterylæ, of birds. [1913 Webster]
For further exploring for "pterylography" in Webster Dictionary Online