American Heritage® Dictionary of the English Language, Fourth Edition
- abbr. accusative.
- abbr. Games ace
- abbr. across.
- abbr. adenine.
- abbr. alto.
- abbr. ampere.
- abbr. angstrom.
- abbr. area.
- n. The first letter of the basic modern Latin alphabet.
- n. Marks the first item in a list
- n. A hypothetical item or person designated first when there are more than one.
- n. computing The hexadecimal digit for 10
- n. stock symbol Symbol for the company Agilent Technologies, Inc. on the NYSE.
- n. chemistry, obsolete Symbol for the element Argon (Since 1956 has been changed to Ar).
- n. geometry area
- abbr. physics ampere, a unit of electrical current.
- abbr. genetics IUPAC 1-letter abbreviation for adenine in genetic code.
- abbr. biochemistry IUPAC 1-letter abbreviation for alanine in proteins.
- abbr. vehicle-distinguishing signs Austria
- n. The first letter of the English alphabet, called a and written in the Latin script.
- n. The ordinal number first, derived from this letter of the English alphabet, called a and written in the Latin script.
- n. The highest rank on any of various scales that assign letters.
- n. education The highest letter grade assigned (disregarding plusses and minuses).
- n. medicine 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.
- n. chemistry Mass number.
- n. acoustic source
- n. actual weight of an aircraft
- n. historical adulterer, adulteress
- n. Alaska Steamship Company
- n. Alcoa Steamship Company
- n. allele dominant
- n. alveolar gas
- n. American Stock Exchange
- n. ammunition examiner
- n. Anchor Line
- n. aspect ratio
- n. Assembly Bill
- n. Smallest of the brassiere cup sizes.
- n. Chemical activity.
- n. first van der Waals constant
- n. Fraunhofer line for oxygen
- n. aviation hail
- n. includes extras
- n. linear acceleration
- n. mean sound absorption coefficient
- n. Shoe size narrower than B
- n. baseball Single A league, one of the lowest professional leagues.
- n. Total acidity.
- abbr. Ace
- abbr. Acre
- abbr. Adult; as used in film rating
- abbr. Ammeter
- abbr. physics angstrom
- abbr. Answer
- abbr. sports An assist
- abbr. weaponry atom; atomic
“The standard ratings are looking a little dated now, with just about everything on the market qualifying for an A, so at Marks & Spencer you'll find things rated AA and AAA; elsewhere it'll come up as A+ and A+++, but it all means the same thing, the plus or extra A means it goes 10% more efficiently than an A by itself.”
“Promoted to Headline (H3) on 5/17/09: Bush-Obama: 'A rose by any other name 'yahooBuzzArticleHeadline =' Bush-Obama: \'A rose by any other name\ ''; yahooBuzzArticleSummary = 'Article: Who said, "A war criminal is a war ciminal is a war criminal?"”
“The four highest ratings at insurance specialist A.M. Best Co. are A++, A+, A and A -.”
“A Quiet Excellence: an A+ yahooBuzzArticleHeadline = 'A Quiet Excellence: an A+ '; yahooBuzzArticleSummary =' Article: But there is an empty chair at the party.”
“P lowered Portuguese long - and short-term ratings by two notches to 'A -/A-2' from 'A+/A - 1' - outlook is negative.”
“(A-A″) 71B-Gal4/UAS-NkdGFP third-instar Drosophila salivary gland stained with α-Dsh and imaged for GFP (A) and Dsh (A′) distributions (merged image in A″).”
“After initially rejecting a confusing appliance energy rating scheme that involved grades of A+++, A++, A+ and A, Europe's Trialogue parties of the European Council, European Commission and European Parliament accepted the scheme which would see consumers confused and A grades going to relatively energy inefficient products.”
“The firm led the sale itself, and the bonds were rated A1 by Moody's Investors Service, A by Standard & Poor's and A+ by Fitch Ratings.”
“One achieved 10 A and A* grades at GCSE at a private school.”
These user-created lists contain the word ‘A’.
aa gets over 40 hits
aardvark 49 hits
abbatoir 103 hits
abjure 138 hits
I recently had a discussion with my family on the sex of language. So I was just wondering about y'all's opinions on the gender/sex of American English letters.
Life is full of tests and challenges--with our busy schedules, it can be hard to find the time to study. Are you a student bombarded by a pop quiz? A witness testifying about that industrial accide...
Can you think of
1. More letters?
2. More meanings?
(please add in Comment)
See also The Phonetic alphabet by oroboros.
Looking for tweets for A.