a - Similar and Opposite Words

What is another word for a ?

Here are the synonyms for a , a list of similar words for a from our thesaurus that you can use

Noun

the blood group whose red cells carry the A antigen

Synonyms

• A
• group A
• type A

More generic

• blood group
• blood type

Noun

the 1st letter of the Roman alphabet

Synonyms

• A

More generic

• alphabetic character
• letter
• letter of the alphabet

Related

• Latin alphabet
• Roman alphabet

Noun

the basic unit of electric current adopted under the Systeme International d'Unites

Synonyms

• A
• amp
• ampere

More generic

• current unit

Related

• mA
• milliampere

Related

• abamp
• abampere

Noun

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

• A
• angstrom
• angstrom unit

More generic

• metric linear unit

Related

• micromicron
• picometer
• picometre

Related

• micromillimeter
• micromillimetre
• millimicron
• nanometer
• nanometre
• nm

Noun

(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA

Synonyms

• A
• adenine

More generic

• purine

Related

• DNA
• RNA
• deoxyribonucleic acid
• desoxyribonucleic acid
• ribonucleic acid

Noun

one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

Synonyms

• A
• deoxyadenosine monophosphate

More generic

• base
• nucleotide

Noun

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

Synonyms

• A
• antiophthalmic factor
• axerophthol
• vitamin A

More generic

• fat-soluble vitamin

More specific

• dehydroretinol
• retinol
• vitamin A1
• vitamin A2

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