名詞 v.:

1. a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it
   同義詞：volt, V
2. a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
   同義詞：vanadium, V, atomic number 23
3. the cardinal number that is the sum of four and one
   同義詞：five, 5, V, cinque, quint, quintet, fivesome, quintuplet, pentad, fin, Phoebe, Little Phoebe
4. the 22nd letter of the Roman alphabet
   同義詞：V, letter v

形容詞 v.:

1. being one more than four
   同義詞：five, 5, v