OB

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Definition
  1. Noun (Proper noun):
    • A major river in western Siberia: A major river system in western Siberia, Russia, flowing generally northward and westward to empty into the Gulf of Ob and the Kara Sea.
    • The branch of medicine dealing with childbirth and care of the mother: A common abbreviation for the medical specialty of obstetrics, which focuses on pregnancy, childbirth, and the postpartum period.
Usage Examples
  • Noun (Proper noun - River):
    • The Ob is one of the longest rivers in Russia.
    • Many cities, like Novosibirsk, are located along the Ob River.
  • Noun (Abbreviation - Medicine):
    • She is a doctor specializing in OB.
    • The patient was referred to the OB department for her prenatal checkup.
Advanced Usage
  • "OB/GYN": A common combined abbreviation for the medical fields of Obstetrics and Gynecology.
    • Her physician is an OB/GYN, so she handles both prenatal care and general women's health.
Variants and Related Words
  • Obstetrics (n): The full, formal name of the medical specialty.
    • She studied obstetrics to become a midwife.
  • Obstetrician (n): A doctor who specializes in obstetrics.
    • The obstetrician delivered the baby.
Synonyms
  • Obstetrics (for the medical sense): The full term for the medical field.
  • Ob River (for the geographical sense): The full name of the river.
Notes on Usage
  • When used as an abbreviation for "obstetrics," it is often capitalized (OB) in medical contexts.
  • When referring to the river, it is always a proper noun and is capitalized (Ob).
  • The abbreviation is primarily used in spoken and informal written English within healthcare settings; in formal writing, "obstetrics" is preferred.
Noun
  1. the branch of medicine dealing with childbirth and care of the mother
  2. a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea