Ob Definition

ŏb, ôb, ôp
abbreviation
Obstetric.
American Heritage Medicine
Obstetrics.
Webster's New World
Obstetrician.
Webster's New World
Obadiah.
Webster's New World
He (or she) died.
Webster's New World
prefix
Inverse; inversely.
Obcordate.
American Heritage
pronoun

A major river in western Siberia, Russia.

Wiktionary
affix
To, toward, before, in front of.
Obtrude.
Webster's New World
Opposed to, against.
Obstinate.
Webster's New World
Upon, over.
Obscure.
Webster's New World
Completely, totally.
Obdurate.
Webster's New World
Inversely, oppositely.
Obovoid.
Webster's New World
noun

(historical) A halfpenny.

Wiktionary

(archaic) An objection.

Wiktionary

(genetics) The obese gene.

Wiktionary
Synonyms:
symbol

(category theory) The set of objects of a category.

Wiktionary

Origin of Ob

  • New Latin short for obversē obversely from Latin obversus past participle of obvertere to turn toward ob- toward, against (from ob toward, against, before epi in Indo-European roots) vertere to turn versus

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin ob, abbreviation of obulus.

    From Wiktionary