English- translations for a
Definition of a
- The highest rank on any of various scales that assign letters
- The highest letter grade assigned (disregarding plusses and minuses
- A tone three fifths above C in the cycle of fifths; the sixth tone of the C major scale; the first note of the minor scale of A minor; the reference tone that occurs at exactly 440 Hz; the printed or written note A; the scale with A as its keynote.
- A blood type that has a specific antigen that aggravates the immune response in people with type B antigen in their blood. They may receive blood from type A or type O but cannot receive blood from AB or B
- Mass number
- Acoustic source
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- Ammunition examiner
- Aspect ratio
- Smallest of the brassiere cup sizes
- First van der Waals constant
- Hail
- Linear acceleration
- Shoe size narrower than B
- Total acidity
- ace
- adult; as used in film rating
- Angstrom
- An assist
- arsehole
- Atom
- Atom; atomic
Examples
- Apple starts with A
- Item A is "foods", item B is "drinks
- We assign each item inspected a rating from A through G, depending on various factors. — An A-rated bond
- I was so happy to get an A on that test
- Orchestras traditionally tune to a concert A
- My blood type is A negative
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