E.

1. Earl.

2. Earth.

3. east.

4. Easter.

5. eastern.

6. engineer.

7. engineering.

8. English.

* * *

E¹ or e «ee», noun, plural E's or Es, e's or es.

1. the fifth letter of the English alphabet. There are two e's in see.

2. any sound represented by this letter.

3. E is used as a symbol for the fifth (of an actual or possible series): »

bedroom E in a Pullman car.

4. a) a conditional failing grade in some American schools and colleges. b) a mark or grade of excellence (in other American schools and colleges).

5. Music. a) the third tone of the scale of C major. b) a symbol representing this tone. c) a key, string, etc., that produces this tone. d) the scale or key which has E as its keynote: »

a concerto in E.

E² «ee», noun, plural E's.

anything shaped like the letter E.

e-,

prefix. the form of ex-¹ (Cf. ↑ex-) before consonants (except c, f, p, q, s, and t), as in evaporate, emerge, erase, evoke.

e (no period),

an abbreviation or symbol for the following:

1. a) east. b) eastern.

2. Astronomy. eccentricity.

3. erg.

4. Baseball. error or errors.

5. Mathematics. the quantity 2.71828+, the base of natural logarithms.

e.,

an abbreviation for the following:

1. a) east. b) eastern.

2. electron.

3. a) engineer. b) engineering.

4. entrance (a direction in plays).

5. Baseball. error or errors.

e- or E-,

combining form

electronic; generated or existing online, usually on the Internet computer communications network: »

e-commerce; e-filing for income taxes; e-mail.

E (no period),

an abbreviation or symbol for the following:

1. a) east. b) eastern.

2. Egyptian (formerly used with the symbol for pound, monetary unit): »

£E215.

3. einsteinium (chemical element).

4. Electricity. electromotive force (measured in volts).

5. Astronomy. elliptical system.

6. Physics. energy expressed in ergs: »

E = mc ².

7. English.

8. (in the U.S. Navy) excellence.

9. excellent.

E.,

an abbreviation for the following:

1. earl.

2. earth.

3. a) east. b) eastern.

4. English.