axenic

adjectives

(of experimental animals) raised under sterile conditions
"axenic conditions"; "germfree animals"
axenic
is similar to
free from germs or pathogenic organisms; sterile
"a germfree environment"
germfree
(used of cultures of microorganisms) completely free from other organisms
"an axenic culture"
axenic
is similar to
free of extraneous elements of any kind
"pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"; "pure oxygen"
pure