Definition of ob- in English:

ob-

prefixɒb

1Denoting exposure or openness.
obverse
1. 1.1 Expressing meeting or facing.
  occasion
2Denoting opposition, hostility, or resistance.
opponent
1. 2.1 Denoting hindrance, blocking, or concealment.
  obviate
3Denoting finality or completeness.
obsolete
4(in modern technical words) in a direction or manner contrary to the usual; inversely.
obconical

Usage

Ob- occurs mainly in words of Latin origin; it is also found assimilated in the following forms: oc- before c; of- before f; op- before p

Origin

From Latin ob 'towards, against, in the way of'.

Definition of ob- in US English:

ob-

prefix

1Denoting exposure or openness.
obverse
1. 1.1 Expressing meeting or facing.
  observe
2Denoting opposition, hostility, or resistance.
obstacle
1. 2.1 Denoting hindrance, blocking, or concealment.
  obviate
  obliterate
3Denoting extensiveness, finality, or completeness.
obsolete
obdurate
4(in modern technical words) inversely; in a direction or manner contrary to the usual.
obconical

Usage

Ob- occurs mainly in words of Latin origin. It is also found assimilated in the following forms: oc- before c (occasion); of- before f (offend); op- before p (oppress)

Origin

From Latin ob ‘towards, against, in the way of’.

单词	ob-
释义	Definition of ob- in English: ob- prefixɒb 1Denoting exposure or openness. obverse 1.1 Expressing meeting or facing. occasion 2Denoting opposition, hostility, or resistance. opponent 2.1 Denoting hindrance, blocking, or concealment. obviate 3Denoting finality or completeness. obsolete 4(in modern technical words) in a direction or manner contrary to the usual; inversely. obconical Usage Ob- occurs mainly in words of Latin origin; it is also found assimilated in the following forms: oc- before c; of- before f; op- before p Origin From Latin ob 'towards, against, in the way of'. Definition of ob- in US English: ob- prefix 1Denoting exposure or openness. obverse 1.1 Expressing meeting or facing. observe 2Denoting opposition, hostility, or resistance. obstacle 2.1 Denoting hindrance, blocking, or concealment. obviate obliterate 3Denoting extensiveness, finality, or completeness. obsolete obdurate 4(in modern technical words) inversely; in a direction or manner contrary to the usual. obconical Usage Ob- occurs mainly in words of Latin origin. It is also found assimilated in the following forms: oc- before c (occasion); of- before f (offend); op- before p (oppress) Origin From Latin ob ‘towards, against, in the way of’.
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