Noun | 1. | A - the blood group whose red cells carry the A antigen |
2. | 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: angstrom, angstrom unit | |
3. | A - any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes | |
4. | A - one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) Synonyms: deoxyadenosine monophosphate | |
5. | A - (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA Synonyms: adenine | |
6. | A - the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps" | |
7. | A - the 1st letter of the Roman alphabet |
A, the first letter of the English and most other alphabets, is frequently used as an abbreviation, (q.v.) and also in the marks of schedules or papers, as schedule A, B, C, &c. Among the Romans this letter was used in criminal trials. The judges were furnished with small tables covered with wax, and each one inscribed on it the initial letter of his vote; A, when he voted to absolve the party on trial; C, when he was for condemnation; and N L, (non liquet) when the matter did not appear clearly, and be desired a new argument.
To see the letter "A" in your dream, represents superiority. You are moving on to something new and grand. Alternatively, it may indicate the name or initial of a person.antiophthalmic factor, axerophthol, dehydroretinol, fat-soluble vitamin, retinol, vitamin A, vitamin A1, vitamin A2