释义 |
WordReference Random House Unabridged Dictionary of American English © 2024a•a (ä′ä),USA pronunciation n. - Geology, Drugsbasaltic lava having a rough surface.
Also, a'a. Cf. pahoehoe. AA, - ClothingSee administrative assistant.
- Clothing, See Alcoholics Anonymous.
- Business, Militaryantiaircraft.
- See author's alteration.
AA, Symbol.- a proportional shoe width size, narrower than A and wider than AAA.
- the smallest proportional brassiere cup size.
- a quality rating for a corporate or municipal bond, lower than AAA and higher than A.
- [Elect.]a battery size for 1.5 volt dry cells: diameter, 0.6 in. (1.4 cm);
length, 2 in. (5 cm). - British Termsa designation for motion pictures certified as unsuitable for children under 14 unless accompanied by an adult. Cf. A (def. 11), U (def. 5), X (def. 9).
āā, Symbol.- (in prescriptions) ana2.
Also, āa - Greek aná, with superscript bar representing the nasal consonant
A.A., - See Alcoholics Anonymous.
- Militaryantiaircraft.
- Militaryantiaircraft artillery.
- Associate in Accounting.
- See Associate of Arts.
- See author's alteration.
a.a., - See author's alteration.
Also, aa |