A Synonyms and Antonyms

ə; ā when stressed
The indefinite article; before vowels, written ""an''
Synonyms:
  1. some
  2. each
  3. one
  4. any
  5. some kind of
  6. some particular
  7. any of
  8. any one of
  9. a certain
Antonyms:
  1. the
  2. this
  3. that
An indication of frequency
Synonyms:
  1. per
  2. in-a
  3. on a
  4. each
  5. every
  6. to-the
  7. by-the
  8. at the rate of
Any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
(Noun)
Synonyms:
  1. vitamin-a
  2. antiophthalmic factor
  3. axerophthol
One of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
(Noun)
Synonyms:
  1. deoxyadenosine monophosphate
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
(Noun)
Synonyms:
  1. adenine
A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
(Noun)
Synonyms:
  1. angstrom
  2. angstrom-unit
The basic unit of electric current adopted under the Systeme International d'Unites
(Noun)
Synonyms:
  1. ampere
  2. amp
The blood group whose red cells carry the A antigen
(Noun)
Synonyms:
  1. type a
  2. group A
The 1st letter of the Roman alphabet
(Noun)
Synonyms:
  1. a

Words Related to A

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.

Related:

  1. a-one
  2. abo system
  3. ash
  4. another
  5. several
  6. the-two
  7. the usual
  8. the whole
  9. more than one
  10. one-or-two
  11. shinyness
  12. somefink

Words near A in the Thesaurus