(mineral extraction) a surface-active chemical used in flotation process to increase the attraction to a specific mineral

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

stimulation of activity in an organism or chemical

(biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription