protoptile
noun
pro·top·tile
(ˈ)prō¦täptə̇l
plural -s
: one of the first set of down feathers in young birds having two sets of down
Word History
Etymology
prot- + -ptile
- enterobacteria
- enterobacteriaceaes
- enterobacterial
- enterobacterium
- enterobiases
- enterobiasis
- enterobii
- enterobiuses
- enteroceles
- enterochromaffin
- enterococcal
- enterococci
- enterococcus
- enterocoel
- Enterocoela
- enterocoele
- enterocoeles
- enterocoelic
- enterocoelous
- enterocoels
- enterocolitis
- enterocolitises
- enterocyte
- enterocytes
- enteroderm