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
- homoscedastic
- homoscedasticities
- homoscedasticity
- homosex
- homosexes
- homosexual
- homosexualisms
- homosexualist
- homosexualists
- homosexualities
- homosexuality
- homosexually
- homosexuals
- homosocial
- homosocialities
- homosociality
- homospories
- homosporous
- homospory
- Homosteus
- homostyled
- homostylic
- homostylies
- homostylous
- homostyly