from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The fifth letter of the modern English alphabet.
- n. Any of the speech sounds represented by the letter e.
- n. The fifth in a series.
- n. Something shaped like the letter E.
- n. A grade that indicates failing status.
- n. Music The third tone in the scale of C major or the fifth tone in the relative minor scale.
- n. Music A key or scale in which E is the tonic.
- n. Music A written or printed note representing this tone.
- n. Music A string, key, or pipe tuned to the pitch of this tone.
- n. Mathematics The base of the natural system of logarithms, having a numerical value of approximately 2.71828.
- n. The hypothesized traditional source of those narrative portions of the Pentateuch in which God is referred to as Elohim rather than with the Tetragrammaton.
- abbr. electron
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The fifth letter of the basic modern Latin alphabet.
- n. The base of natural logarithms, a transcendental number with a value of approximately 2.718281828459
- n. close-mid front unrounded vowel
- n. The fifth letter of the English alphabet, called e and written in the Latin script.
- n. The ordinal number fifth, derived from this letter of the English alphabet, called e and written in the Latin script.
- n. The name of the Latin script letter E/e.
- n. the base of the natural logarithm, 2.718281828459045…
from the GNU version of the Collaborative International Dictionary of English
- The fifth letter of the English alphabet.
- E is the third tone of the model diatonic scale. E♭ (E flat) is a tone which is intermediate between D and E.
from The Century Dictionary and Cyclopedia
- The fifth letter and second vowel in our alphabet.
- As a numeral, 250.
- As a symbol: In the calendar, the fifth of the dominical letters.
- In logic, the sign of the universal negative proposition. See A, 2.
- In algebra: [capitalized] The operation of enlargement: thus, Efx = f (x + 1); also, the greatest integer as small as the quantity which follows: thus, . [l. c.] The base of the Napierian system of logarithms; also, the eccentricity of a conic.
- In music: The key-note of the major key of four sharps, having the signature , or of the minor key of one sharp, having the signature ; also, the final of the Phrygian mode in medieval music.
- In the fixed system of solmization, the third tone of the scale, called mi: hence so named by French musicians.
- On the keyboard of the pianoforte, the white key to the right of every group of two black keys.
- The tone given by such a key, or a tone in unison with such a tone.
- The degree of a staff assigned to such a key or tone; with the treble clef, the lower line and upper space .
- A note on such a degree, indicating such a key or tone .
- As an abbreviation: East: as, E. by S., east by south. See S. E., E. S. E., etc.
- In various phrase-abbreviations. See e. g., i. e., E. and O. E., etc.
- A prefix of Anglo-Saxon origin, one of the forms of the original prefix ge-. It remains unfelt in enough. See i-.
- A prefix of Latin origin, a reduced form of ex-, alternating with ex- before consonants, as in evade, elude, emit, etc. See ex-.
- The unpronounced termination of many English words.
- [capitalized] The sign of residuation (which see).
- [capitalized] In chem., sometimes used as the symbol for erbium: more commonly Er.
- The common symbol for the modulus of elasticity, or the force, in pounds, required to stretch a bar of any material one square inch in cross-section until its length is increased by one hundred per cent.
- In electricity, a symbol for electromotive force.
- An abbreviation of Earl;
- of Eastern;
- of English;
- in experimental psychology, of experimenter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the base of the natural system of logarithms; approximately equal to 2.718282...
- n. a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
- n. the 5th letter of the Roman alphabet
- n. the cardinal compass point that is at 90 degrees
- n. a radioactive transuranic element produced by bombarding plutonium with neutrons
Sense 8, from Elohim.(American Heritage® Dictionary of the English Language, Fourth Edition)
Modification of capital letter E, from Ancient Greek letter Ε (E, "Epsilon"). (Wiktionary)
From Middle English and Old English lower case letter e and split of æ, ea, eo, and œ, from five 7th century replacements of Anglo-Saxon Futhorcs by Latin letters: (Wiktionary)