♻️ap environmental science review

Porosity

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Porosity refers to the measure of how much empty space, or pores, there is in a material such as soil or rock. It indicates the ability of a substance to hold and transmit fluids.