PHOBIA. Excessive or morbid fear of anything.
PHYLETICALLY. In accordance with the phylum or race; racially.
PHYLETIC. Pertaining to a race or clan.
PHYLOGENY. The history of the evolution of a species or group; tribal history; ancestral development as opposed to ontogeny or the development of the individual.
PHYLUM. A term introduced by Haeckel to designate the great branches of the animal and vegetable kingdoms. Each phylum may include several classes.
PICKELHAUBE. The spiked helmet of the German army.
PLANKTON. Sea animals and plants collectively; distinguished from coast or bottom forms and floating in a great mass.
POLYGAMIC (LOVE). Pertaining to the habit of having more than one mate of the opposite sex.
POLYPHRASTIC. Having many phrases; pertaining to rambling, incoherent speech.
POST-SIMIAN. Pertaining to an age later than that in which simian or monkey-like forms prevailed.