Index of English words, starting with "pe"

(1) - Peridium (n.) The envelope or coat of certain fungi, such as the puffballs and earthstars.

(1) - Peridot (n.) Chrysolite.

(1) - Peridotite (n.) An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.