plural of ultrahazardous activity

(law) An activity that is so dangerous that any person engaging in it will be held strictly liable for harm caused by engaging in the activity, no matter what precautions were taken to prevent harm; common examples include using explosives, radiation, and poisonous chemicals, and handling wild animals.

(management) The risk of employees spending significant effort looking busy with an activity at the expense of measuring progress toward what the activity is ultimately supposed to achieve.

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

(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 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

plural of optical activity

(psychology) Aimless, often self-comforting behavior displayed when in doubt, blocked or frustrated. / (more broadly) Something done needlessly when procrastinating.

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

That responds to spoken commands.