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E

Pronunciation (US):

• E (noun)
The noun E has 5 senses:

1. a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
2. a radioactive transuranic element produced by bombarding plutonium with neutrons
3. the cardinal compass point that is at 90 degrees
4. the base of the natural system of logarithms; approximately equal to 2.718282...
5. the 5th letter of the Roman alphabet

Familiarity information: E used as a noun is common.

• E (noun)

Sense 1

E ^{[BACK TO TOP]}

Meaning:

A fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body

Classified under:

Nouns denoting substances

Synonyms:

E; tocopherol; vitamin E

Hypernyms ("E" is a kind of...):

antioxidant (substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides)

fat-soluble vitamin (any vitamin that is soluble in fats)

Hyponyms (each of the following is a kind of "E"):

alpha-tocopheral (a potent form of vitamin E obtained from germ oils or by synthesis)

Sense 2

E ^{[BACK TO TOP]}

Meaning:

A radioactive transuranic element produced by bombarding plutonium with neutrons

Classified under:

Nouns denoting substances

Synonyms:

Es; einsteinium; atomic number 99; E

Hypernyms ("E" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Sense 3

E ^{[BACK TO TOP]}

Meaning:

The cardinal compass point that is at 90 degrees

Classified under:

Nouns denoting relations between people or things or ideas

Synonyms:

due east; east; eastward; E

Hypernyms ("E" is a kind of...):

cardinal compass point (one of the four main compass points)

Sense 4

e ^{[BACK TO TOP]}

Meaning:

The base of the natural system of logarithms; approximately equal to 2.718282...

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("e" is a kind of...):

transcendental number (an irrational number that is not algebraic)

Sense 5

E ^{[BACK TO TOP]}

Meaning:

The 5th letter of the Roman alphabet

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

letter e; E

Hypernyms ("E" is a kind of...):

alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)

Holonyms ("E" is a member of...):

Latin alphabet; Roman alphabet (the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe)

"The early bird gets the worm, but the second mouse gets the cheese."
(English proverb)
"Politeness is not sold in the bazaar"
(Azerbaijani proverb)
"A mountain won't get to a mountain, but a human will get to a human."
(Armenian proverb)
"The one you love you punish."
(Danish proverb)

Useful links:
What does alpha-tocopheral mean?
antioxidant definition
What does cardinal compass point mean?
letter definition
What does Roman alphabet mean?

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