(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.

That responds to spoken commands.

plural of CH activation

(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.

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

plural of active matrix

(idiomatic) A very busy place.

A form of liquid crystal display with a grid of transistors and capacitors that can hold a charge for a limited period of time, contrasted with passive matrix.

plural of hive of activity