| ALC | type genus of the Alcidae comprising solely the razorbill |
|---|---|
| ALC | black-and-white North Atlantic auk having a compressed sharp-edged bill |
| ALC | Greek lyric poet of Lesbos |
| ALC | hypothetical universal solvent once sought by alchemists |
| ALC | verse in the meter used in Greek and Latin poetry consisting of strophes of 4 tetrametric lines |
| ALC | verse in the meter used in Greek and Latin poetry consisting of strophes of 4 tetrametric lines |
| ALC | tending to become alkaline |
| ALC | an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine |
| ALC | a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine |
| ALC | any of various Spanish fortresses or palaces built by the Moors |
| ALC | genus of erect herbs of the Middle East having showy flowers: hollyhocks |
| ALC | plant with terminal racemes of showy white to pink or purple flowers |