What does "sterile" mean?

Sterile: (Biol.) (a) Incapable of reproduction; unfitted for reproduction of offspring; not able to germinate or bear fruit; unfruitful; as, a sterile flower, which bears only stamens. (b) Free from reproductive spores or germs; as, a sterile fluid.

Additional senses

  1. 2.Fig.: Barren of ideas; destitute of sentiment; as, a sterile production or author.

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