| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| the offspring of a zebra and a donkey. |
sterile ster·ile (stěr'əl, -īl')
adj.
Not producing or incapable of producing offspring.
Free from all live bacteria or other microorganisms and their spores.
sterile (stěr'əl, stěr'īl') Pronunciation Key
sterility noun (stə-rĭl'ĭ-tē) |