Pachymeningitis (n.)
definition: Inflammation of the dura mater or outer membrane of the brain.

Pachymeningitis is a 15 letter word that begins with a P and ends in an S

Palatopterygoid (a.)
definition: Pertaining to the palatine and pterygoid region of the skull; as
The palatopterygoid cartilage or rod from which the palatine and pterygoid bones are developed.
Palatopterygoid is a 15 letter word that begins with a P and ends in a D

Paleontological (a.)
definition: Of or pertaining to paleontology.

Paleontological is a 15 letter word that begins with a P and ends in an L

Paleornithology (n.)
definition: The branch of paleontology which treats of fossil birds.

Paleornithology is a 15 letter word that begins with a P and ends in a Y

Pamprodactylous (a.)
definition: Having all the toes turned forward
As the colies.
Pamprodactylous is a 15 letter word that begins with a P and ends in an S

Panpresbyterian (a.)
definition: Belonging to
Or representative of those who hold Presbyterian views in all parts of the world; as a Panpresbyterian council.
Panpresbyterian is a 15 letter word that begins with a P and ends in an N

Paradigmatizing (p.)
definition: of Paradigmatize

Paradigmatizing is a 15 letter word that begins with a P and ends in a G

Paranaphthalene (n.)
definition: Anthracene; -- called also paranaphthaline.

Paranaphthalene is a 15 letter word that begins with a P and ends in an E

Parelectronomic (a.)
definition: Of or relating to parelectronomy; as
The parelectronomic part of a muscle.
Parelectronomic is a 15 letter word that begins with a P and ends in a C

Parenthetically (ad)
definition: In a parenthetical manner; by way of parenthesis; by parentheses.

Parenthetically is a 15 letter word that begins with a P and ends in a Y

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