What's the difference between cerite and perite?

Cerite

Definition:

• (n.) A gastropod shell belonging to the family Cerithiidae; -- so called from its hornlike form.
• (n.) A mineral of a brownish of cherry-red color, commonly massive. It is a hydrous silicate of cerium and allied metals.

Example Sentences:

• (1) The most common device used in Japan is an alcohol detector tube, in which cerite particles coated with chromate are packed.

Perite

Definition:

• (a.) Skilled.

Example Sentences: