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A

(noun)
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Definitions

There are 8 meanings of the word A.

How to pronounce a:

Def 1 US

A - as a noun

The 1st letter of the roman alphabet

A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

Synonyms (Exact Relations)
angstrom11angstrom unit

Any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

Synonyms (Exact Relations)
antiophthalmic factoraxerophthol26vitamin a
Hypernyms (Closely Related)
fat-soluble vitamin
Hyponyms (Broadly Related)

One of the four nucleotides used in building dna, also known as deoxyadenylate, or damp; all four nucleotides have a common phosphate group and a sugar (ribose)

Synonyms (Exact Relations)
deoxyadenosine monophosphate

(biochemistry) purine base found in dna and rna; pairs with thymine in dna and with uracil in rna

Synonyms (Exact Relations)
adenine8

The basic unit of electric current adopted under the systeme international d'unites

Example: "A typical household circuit carries 15 to 50 amps"

Synonyms (Exact Relations)
amp7ampere10

The 1st letter of the roman alphabet

The blood group whose red cells carry the a antigen

Synonyms (Exact Relations)
group atype a

Example Sentences

"I need a new book to read."
"She bought a new car yesterday."
"He gave me a pen as a gift."
"I would like a cup of coffee, please."
"She is wearing a beautiful dress to the party."
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Word Game Points

Is A a valid Scrabble word?
No, a is NOT valid for Scrabble
US/CA UK/EU

Is A a valid Words With Friends word?
No, a is NOT valid for Words With Friends
Invalid Word
A is not a valid Words With Friends word.

Is A a valid WordFeud word?
No, a is NOT valid for WordFeud
Invalid Word
A is not a valid WordFeud word.

Word Variations & Relations

A-Z Proximities

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