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Pronunciation: /sʌb/ /səb/

Definition of sub- in English:


1At, to, or from a lower level or position: subalpine
1.1Lower in rank: subaltern subdeacon
1.2Of a smaller size; of a subordinate nature: subculture
3Denoting subsequent or secondary action of the same kind: sublet subdivision
4Denoting support: subvention
5 Chemistry In names of compounds containing a relatively small proportion of a component: suboxide


Sub- is also found assimilated in the following forms: suc- before c; suf- before f; sug- before g; sup- before p; sur- before r; sus- before c, p, t.


From Latin sub 'under, close to'.

Definition of sub- in:
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