A
— Noun
– English
～ a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
A
— Noun
– English
～ any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
A
— Noun
– English
～ the 1st letter of the Roman alphabet
A
— Noun
– English
～ (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
A
— Noun
– English
～ the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps"
A
— Noun
– English
～ one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
A
— Noun
– English
～ the blood group whose red cells carry the A antigen
A'man
— Noun
– English
～ the Israeli military intelligence which produces comprehensive national intelligence briefings for the prime minister and the cabinet
A.E.
— Noun
– English
～ Irish writer whose pen name was A.E. (1867-1935)
AA
— Noun
– English
～ an international organization that provides a support group for persons trying to overcome alcoholism
aa
— Noun
– English
～ a dry form of lava resembling clinkers
AAA
— Noun
– English
～ an aneurysm of the abdominal aorta associated with old age and hypertension
Aachen
— Noun
– English
～ a city in western Germany near the Dutch and Belgian borders; formerly it was Charlemagne's northern capital
Aalborg
— Noun
– English
～ a city and port in northern Jutland
aalii
— Noun
– English
～ a small Hawaiian tree with hard dark wood
Aalst
— Noun
– English
～ a town in central Belgium
Aalto
— Noun
– English
～ Finnish architect and designer of furniture (1898-1976)
Aar
— Noun
– English
～ a river in north central Switzerland that runs northeast into the Rhine
aardvark
— Noun
– English
～ nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata