1. (noun)
angstrom, angstrom unit, A
- 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: antiophthalmic factor, adenine, axerophthol, vitamin A, group A, ampere, angstrom, angstrom unit, deoxyadenosine monophosphate, amp, type A
2. (noun)
vitamin A, antiophthalmic factor, axerophthol, A
- any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes Synonyms: antiophthalmic factor, adenine, axerophthol, vitamin A, group A, ampere, angstrom, angstrom unit, deoxyadenosine monophosphate, amp, type A
3. (noun)
deoxyadenosine monophosphate, A
- one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) Synonyms: antiophthalmic factor, adenine, axerophthol, vitamin A, group A, ampere, angstrom, angstrom unit, deoxyadenosine monophosphate, amp, type A
4. (noun)
adenine, A
- (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA Synonyms: antiophthalmic factor, adenine, axerophthol, vitamin A, group A, ampere, angstrom, angstrom unit, deoxyadenosine monophosphate, amp, type A
5. (noun)
ampere, amp, A
- the basic unit of electric current adopted under the Systeme International d'Unites Synonyms: type A, adenosine monophosphate, vitamin A, ampere, international ampere, adenylic acid, angstrom, angstrom unit, antiophthalmic factor, group A, adenine, deoxyadenosine monophosphate, amp, axerophthol
6. (noun)
A, a
- the 1st letter of the Roman alphabet Synonyms: antiophthalmic factor, adenine, axerophthol, vitamin A, group A, ampere, angstrom, angstrom unit, deoxyadenosine monophosphate, amp, type A
7. (noun)
A, type A, group A
- the blood group whose red cells carry the A antigen Synonyms: antiophthalmic factor, adenine, axerophthol, vitamin A, group A, ampere, angstrom, angstrom unit, deoxyadenosine monophosphate, amp, type A
Synonyms of 'a':
