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aA. In DICTIOUS you will not only get to know all the dictionary meanings for the word
aA, but we will also tell you about its etymology, its characteristics and you will know how to say
aA in singular and plural. Everything you need to know about the word
aA you have here. The definition of the word
aA will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
aA, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
Translingual
Symbol
aA
- (metrology) Symbol for attoampere, an SI unit of electrical current equal to 10−18 amperes.
- (obsolete, metrology) Symbol for the abampere, a CGS unit of electrical current equal to 10 amperes.
Usage notes
The use of the abampere and related CGS units had largely been displaced by the MKS system by 1964 when the SI prefix atto- came into use. Thus a knowledge of when the quantity in question was written will usually be sufficient to determine which meaning of aA was intended.
Egyptian
Romanization
aA
- Manuel de Codage transliteration of ꜥꜣ.