[
US
/ˈeɪ, ə/
]
NOUN
- a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
- the 1st letter of the Roman alphabet
- the blood group whose red cells carry the A antigen
- (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
- one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
- any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
-
the basic unit of electric current adopted under the Systeme International d'Unites
a typical household circuit carries 15 to 50 amps
How To Use A In A Sentence
- The difficulties of the next year or two will, no doubt, reawaken the pro-euro lobby.
- The buildings are usually gabled, with rows of tiles along the ridges of the roofs.
- If you wonder about ‘furphy’, as I did, here's a gloss and explanation.
- Richardson, are proprietors of shows, and the berouged, bedraggled creatures who exhibit on the platform outside for their living. Blackwood's Edinburgh Magazine — Volume 53, No. 327, January, 1843
- In my view his confrontational, gladiatorial style has been a major contributor to the widespread disdain of the British public for politicians generally. Times, Sunday Times
- Smith, who is also a director of Norwich City Football Club, said her CBE was a "very, very great honour". BBC News | News Front Page | UK Edition
- Three tall memorial archways inscribed with Chinese characters stand outside the temple.
- I'm just a little bit caught in the middle. Life is a maze and love is a riddle, I don't know where to go, can't do it alone.
- These observations will provide a valuable supplement to the simultaneous records of other expeditions, especially the British in McMurdo Sound and the German in Weddell Sea, above all as regards the hypsometer observations (for the determination of altitude) on sledge journeys. The South Pole~ Remarks on the Meteorological Observations at Framheim
- Liberal democracy is a fraud, a cover for the power of the elite. Times, Sunday Times
