Es Definition

1. The fifth letter and second vowel of the English alphabet.
2a. music.
The third note in the scale of C major;
Form: E
2b. music.
The musical key which has this note as its base.
Form: E
3. In advertising and marketing use: a person who has no regular income, or who is dependent on state benefit due to disability, long-term illness, unemployment or old age.

1. IVR.
El Salvador.

1. chem.
Einsteinium.