Revision 94785544 of "Ab-" on enwiki

'''ab-''' (also abs- before certain consonants) is an [[List of English prefixes|English prefix]].  In [[Latin]] it was both a [[Prefix (linguistics)|prefix]] and a [[preposition]] meaning ""off, away (from)" and expressed the idea of removal, '''ab-''' sence,  separation, or a lower value.  It first appeared in English in the [[Middle English]] period in words borrowed from [[French language|Old French]], and continued to be borrowed in [[Modern French]] words and eventually from [[Classical Latin]], especially in the vocabulary of [[science]], [[medicine]], [[botany]], etc.  
*The prefix '''ab-''' (short for '''ab-''' solute) is also used to indicate "absolute" in units used in [[electromagnetism]], such as ''abhenry'' for [[inductance]], ''abohm'' for [[electrical resistance|resistance]] and ''abvolt'' for [[electrical potential|potential]].
==See also==
[[List of English prefixes]]
[[Category:Prefixes]]

[[fr:Ab-]]

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