eggshell

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egg·shell

(eg'shel),
The calcareous envelope of a bird's egg.

eggshell

(ĕg′shĕl′)
n.
The thin, often brittle exterior covering of the egg of a bird or reptile.
References in periodicals archive ?
Key Words: Hydroxyapatite, precipitation, egg shells, characterization
The egg shell thickness and shell breaking strength of eggs from white laying hens were higher than that of eggs from brown layer hens in both rearing systems.
The unleached activated carbon was prepared by subjecting the carbonized egg shell to thermal activation at different temperatures between 600 and 800[degrees]C for 1 hour in a muffle furnace.
HOLIDAY EGG SHELL CUPS: Bring 3 cups water to a boil in a medium saucepan.
The egg weight was higher in imported flock than local-1 and local-2 flocks and egg shell weight was higher in imported flock than in other local flocks.
When the croc is about to hatch, they make chirping sounds within the the egg shell.
85 If, like us, you're always disappointed that Easter eggs are hollow, check out this solid truffle inside a real egg shell.
Secondly, separate them not by swapping the innards from one cracked egg shell to the other, but with your own (very clean) hands.
Based on studies carried out in 2011, on the impact of genetic factors on hatching and vitality of pheasant chicks and young, a strong causal relation has been confirmed between the egg shell color and certain production parameters, such as the embryonic death rate.
OPTIMISTIC: A Common Crane Once it was clear they would not return, experts inspected the nest and found the remains of one hatched egg shell, but no sign of the chick.