* * *
2) free from living organisms and esp. microorganisms <a \sterile syringe> <a \sterile cyst>
* * *
adj.
2. of inanimate objects) completely free from bacteria, fungi, viruses, or other microorganisms that could cause infection.
* * *
ster·ile (sterґil) [L. sterilis] 1. unable to produce offspring; in females, called also barren. 2. aseptic.Medical dictionary. 2011.