The thin shell is fragile and has a smooth surface.
These are generally taken to be the first modern architectural thin shells.
The birds then laid eggs with thin shells that would break.
She'd thought him weak under a thin shell of strength, but it went a lot further than that.
But sometimes all that protects her mother's heart is a thin shell of denial.
The most simple example is a core surrounded by a single, thin shell.
The thin, white shell is long and narrow with growth rings.
You must work to extend that force beyond the thin shell which is your skin.
The thin and delicate shell is rather large for the genus.
The minute, thin shell has a height of only 2 mm.