particlefree
Particlefree is an adjective used to describe environments, materials, or processes that are devoid of free particles—substances that are not chemically bound within a larger structure or phase. The term is commonly encountered in cleanroom management, materials science, and experimental physics to indicate a high level of particulate reduction or avoidance of discrete contaminants.
In physics, a particlefree state often refers to a vacuum where no real particles are present, though
In manufacturing and fluid handling, particlefree describes fluids or surfaces with extremely low particulate contamination. Particlefree
Limitations and measurement considerations: “Particlefree” does not always imply absolute absence of all particles. Specifications are
See also: cleanroom, particulate matter, contamination control, vacuum, particulate-counting.