semiannual (def 1).
twice a year; semiannually:
He seeded the lawn semiyearly.
another word for semiannual

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    noun 1. Ignaz Philipp [ig-nahts fee-lip] /ˈɪg nɑts ˈfi lɪp/ (Show IPA), 1818–65, Hungarian obstetrician. noun 1. Ignaz Philipp. 1818–65, Hungarian obstetrician, who discovered the cause of puerperal infection and pioneered the use of antiseptics Semmelweis (zěm’əl-vīs’) Hungarian physician who was a pioneer of sterile surgical practices. He proved that infectious disease and death in […]

  • Semmelweiss

    Semmelweiss Sem·mel·weiss (zěm’əl-vīs’), Ignaz Philipp. 1818-1865. Hungarian physician who pioneered the use of antiseptics in obstetrics as the result of his discovery that puerperal fever is a form of septicemia. His methods reduced mortalities but were not widely adopted until after his death.

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