autogenous

/ɔːˈtɑːdʒənəs/
adjective
  1. Produced from within the same organism or system; self-generated.
    • The autogenous vaccine was made from the patient's own bacteria.
    • Autogenous healing occurs when concrete cracks seal themselves through chemical reactions.
    • In welding, autogenous fusion joins metals without adding filler material.
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What does "autogenous" mean? | whatsthatwordmean | whatsthatwordmean