Science / Chemistry / Activity Coefficient: (gamma) The ratio of activity to concentration; a = gamma c where a, gamma, and c are the activity, activity coefficient, and concentrations, respectively. Activity coefficients are usually obtained from measurements of the emf of electrochemical cells or the colligative properties of solutions.
Activity Noun Synonyms: action, movement, motion, vigor, vim, energy, liveliness, bustle
Science / Chemistry / Optical Activity: A substance that is capable of rotating plane-polarized light. Molecules of an optically active substance cannot be superimposed on their own mirror images, just as your left hand cannot be superimpos MORE
Business / Human Resources (HR) / Life Activity: For purposes of Section 503 of the Rehabilitation Act and ADA, functions that are limited by a person's disability such as caring for oneself, performing manual tasks, walking, seeing, hearing, speaki MORE
Business / Internet Marketing / Interactivity: If your web site isn't interactive, it's dead. MORE
Business / Finance / Passive Activity Loss (PAL): A loss incurred in participating in passive investing. MORE
Science / Chemistry / Quantitative Structure-Activity Relationship: A mathematical connection between chemical structure and biological activity, established by statistical analysis or pattern recognition techniques. MORE