Sewage that has been aerated and agitated in order to promote the growth of beneficial microorganisms that break down organic matter.

(chemistry) A very absorbent form of finely powdered carbon; used in purifying gases, and as an antidote for many poisons.

(chemistry) activated carbon

(military) A state in which person in the military performs military duties on a full-time basis, as opposed to reserve, where one only occasionally performs military duties.

The process of attending carefully to what a speaker is saying, involving such techniques as accurately paraphrasing the speaker's remarks.

The real component of the power of an alternating current circuit; the product of the voltage and that part of the current that is in phase with the voltage

A geologic fault which has exhibited seismic activity within a geologically recent time period.

A form of euthanasia wherein death is intentionally brought about, usually by medical intervention to end the euthanasee's suffering.

Essential components of a device, reaction, etc. / A radioactive material

cyberactivism