periostracaladj.
/ˌpɛrɪˈɒstrəkl/, U.S. /ˌpɛriˈɑstrək(ə)l/ Zoology.
Of or relating to the periostracum.
ΚΠ
1890 Cent. Dict. Periostracal, investing the shell of a mollusk, as an epidermis; of or pertaining to periostracum.
1948 Amer. Midland Naturalist 39 155 Very young and unworn shells bearing a pelage of short, slender, pointed, hair-like periostracal processes.
1990 Jrnl. Zool. 222 551 The periostracal groove lies between a narrow band of cuticularized columnar epithelium laterally and cells secreting new elements of the shell medially.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
<
adj.1890- close-annealed
- close-annealing
- close-banded
- close-barred
- close-bed
- close-bodied
- close-bow
- close-buttoned
- close-butts
- close-caption
- close-captioned
- close-captioning
- close-carpet
- close-carpeted
- close-carpeting
- close-clad
- close-clamped
- close-clapped
- close-clipped
- close-couched
- close-coupled
- close-cropped
- close-curtained
- close-cut
- close-down