n. pl. e's or E's also es or Es 1. The fifth letter of the modern English alphabet. 2. Any of the speech sounds represented by the letter e. 3. The fifth in a series. 4. Something shaped like the letter E. 5. E A grade that indicates failing status. 6. Music a. The third tone in the scale of C major or the fifth tone in the relative minor scale. b. A key or scale in which E is the tonic. c. A written or printed note representing this tone. d. A string, key, or pipe tuned to the pitch of this tone. 7. e Mathematics The base of the natural system of logarithms, having a numerical value of approximately 2.71828. 8. E The hypothesized textual source of certain narrative portions of the Pentateuch in which God is referred to as Elohim rather than with the Tetragrammaton. [Sense 8, from ELOHIM.] (click for a larger image) advertising poster, Métropole of ParisMétropole used this poster in the 1890s to market the Acatène |
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