Index of English words, starting with "pe"

(1) - Pentyl (n.) The hypothetical radical, C5H11, of pentane and certain of its derivatives. Same as Amyl.

(1) - Penult (n.) The last syllable but one of a word; the syllable preceding the final one.

(1) - Penultimate (n.) The penult.
(2) - Penultimate (a.) Last but one; as, the penultimate syllable, the last syllable but one of a word.

(1) - Penumbra (n.) The part of a picture where the shade imperceptibly blends with the light.
(2) - Penumbra (n.) The shadow cast, in an eclipse, where the light is partly, but not wholly, cut off by the intervening body; the space of partial illumination between the umbra, or perfect shadow, on all sides, and the full light.
(3) - Penumbra (n.) An incomplete or partial shadow.