Glossary - P

Under Development
Last Revised October 26, 2002

pahoe hoe

paleoclimatology

pangea

parent material

paternoster lakes (see staircase lakes)

percolation

periglacial

perihelion

permafrost

pH scale

phase change

photosynthesis

physical weathering

plane of the ecliptic

plate tectonics

playa

pluton

podzolization

point bar

polar easterlies

polar high pressure

polar front

polished bedrock

porosity

potential evapotranspiration

precipitation

pressure gradient force

prime meridian

producer