Fixation in business refers to a company's reluctance to change to suit current market conditions, thus increasing the probability that the company will make larger numbers and greater severities of poor decisions.

Nitrogen fixation, a process by which nitrogen is converted from its inert molecular form to a compound more readily available and useful to living organisms

Carbon fixation, a biochemical process, usually driven by photosynthesis, whereby carbon dioxide is converted into organic compounds

Fixation (histology) in biochemistry, histology, cell biology and pathology, the technique of preserving a specimen for microscopic study

Fixation (visual) maintaining the gaze in a constant direction

Fixation (population genetics), the state when every individual in a population has the same allele at a particular locus

Fixation (psychology), the state in which an individual becomes obsessed with an attachment to another human, an animal, or an inanimate object

Fixation (alchemy), one of the 12 vital alchemical processes required for transformation

Fixation in law refers to works entitled to copyright protection (e.g. music, literature, paintings, etc.). Only works fixed in a medium can be copyrighted, not the ideas behind those works.