E (EN)

letter, noun, symbol

letter “E”

1. the uppercase form of the letter "e"
   Sign up to see the translation of definitions and examples into any language.

   The name Emma starts with the letter "E".

noun “E”

1. a mark indicating performance worse than a D, often considered a failing grade
   After reviewing his report card, Tom realized he received an E in math, indicating he had failed the class.
2. abbreviation of "episode"
   I can't wait to watch S02E05 of my favorite show tonight.
3. slang term for the recreational drug ecstasy (MDMA)
   At the party, someone offered me E, but I declined because I don't do drugs.

symbol “E”

1. a symbol indicating that content is suitable for all ages
   The new puzzle game is rated E, so it's suitable for players of all ages.
2. a symbol representing the direction opposite of west
   The sign reads "2mi E", so we have to go towards the eastern part now.
3. a symbol used in scientific notation to denote the power of ten that the number is multiplied by
   The number 5.97E24 represents the mass of the Earth in kilograms.
4. the hexadecimal symbol for the number 15
   In hexadecimal, the number 14 is represented as 0x0E.
5. a symbol representing energy in physics
   In physics class, we learned that E=mc² shows how mass can be converted into energy.
6. a symbol used to denote the amino acid glutamic acid in biochemistry
   In the protein sequence, "E" stands for glutamic acid, an important amino acid for cellular metabolism.
7. a symbol representing the mathematical concept of expected value
   If you roll a fair six-sided die, the expected value, or E(X), of the outcome is 3.5.
8. a symbol indicating a specific size of bra cup
   After losing weight, she realized she needed to shop for bras with a smaller band size but still an E cup.