A (article)
definition:
the indefinite article, used to non-specifically identify something
example:
"I chose a shirt from the closet."
A (noun)
definition:
the unit symbol for the ampere, the basic unit of electric current adopted under the Systeme International d'Unites
example:
"My headlights have a current of 5 A each."
A (noun)
definition:
short form for adenine, a purine base found in DNA and RNA
example:
"I used 2mg of A in the experiment."
Synonyms
AdenineA (noun)
definition:
one of the four nucleotides used in building DNA
example:
"My DNA gene sequence had 3,000 As in it."
Synonyms
Deoxyadenosine Monophosphate Deoxycytidine Monophosphate Deoxyguanosine Monophosphate Deoxythymidine MonophosphateA (noun)
definition:
any of several fat-soluble vitamins essential for normal vision
example:
"Did you get your daily dose of A today?"
Synonyms
Vitamin AA (noun)
definition:
the 1st letter of the Roman alphabet
example:
"My name contains the letter a."
Å (noun)
definition:
a metric unit of length equal to one ten billionth of a meter
example:
"The scientists told us that the measurement was accurate to 3 angstroms."