V 1
(also v )
■ noun ( plural Vs or V's )
1》 the twenty-second letter of the alphabet.
2》 denoting the next after U in a set of items, categories, etc.
3》 the Roman numeral for five.
4》 [as modifier ] denoting an internal-combustion engine with a number of cylinders arranged in two rows at an angle to each other.
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V 2
■ abbreviation
1》 Vatican City (international vehicle registration).
2》 volt(s).
■ symbol
1》 the chemical element vanadium.
2》 voltage or potential difference.
3》 (in mathematical formulae) volume.