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On drawings, abbr. for alternate.


/awlt/ 1. The alt modifier key on many keyboards, including the IBM PC. On some keyboards and operating systems, (but not the IBM PC) the alt key sets bit 7 of the character generated.

See bucky bits.

2. The "clover" or "Command" key on a Macintosh; use of this term usually reveals that the speaker hacked PCs before coming to the Mac (see also feature key). Some Mac hackers, confusingly, reserve "alt" for the Option key (and it is so labelled on some Mac II keyboards).

3. (Obsolete PDP-10; often "ALT") An alternate name for the ASCII ESC character (Escape, ASCII 27), after the keycap labelling on some older terminals; also "altmode" (/awlt'mohd/). This character was almost never pronounced "escape" on an ITS system, in TECO or under TOPS-10, always alt, as in "Type alt alt to end a TECO command" or "alt-U onto the system" (for "log onto the [ITS] system"). This usage probably arose because alt is easier to say.

4. <messaging> One of the Usenet newsgroup hierarchies. It was founded by John Gilmore and Brian Reid. The alt hierarchy is special in that anyone can create new groups here without going though the normal voting proceduers, hence the regular appearence of new groups with names such as "alt.swedish.chef.bork.bork.bork".
References in periodicals archive ?
Creatinine level returned to the reference range, and liver enzyme levels improved (aspartate aminotransferase 52 U/L, alanine aminotransferase 73 U/L).
Higher concentrations of alanine aminotransferase within the reference interval predict nonalcoholic fatty liver disease.
Elevated serum levels of alanine aminotransferase and gamma glutamyltransferase are markers of inflammation and oxidative stress independent of the metabolic syndrome.
Among the patients with abnormal alanine aminotransferase levels at baseline, more of those treated with entecavir achieved normal levels at 48 weeks, compared with those treated with adefovir (63% vs.
2 mg/dL, serum alanine aminotransferase level 63 IU/L, and serum aspartate aminotransferase level 56 IU/L.
Treatment with Hepsera also resulted in changes in laboratory markers of liver function, as measured by serum levels of alanine aminotransferase (ALT).
5 percent of patients were febrile neutropenia (25 percent), neutropenia (16 percent), anemia (14 percent), pneumonia (9 percent), thrombocytopenia (8 percent), hyperglycemia (8 percent), leukopenia (8 percent), alanine aminotransferase increased (7 percent), hypokalemia (7 percent), pyrexia (7 percent), sepsis (6 percent), hypophosphatemia (5 percent).
No associations were seen between microvesicular steatosis and lobular inflammation or levels of aspartate aminotransferase (AST) or alanine aminotransferase (ALT).
Blood chemistry values included raised enzymes: 1,858 IU/L lactate dehydrogenase (LDH), 283 IU/L aspartate aminotransferase (AST), 210 IU/L alanine aminotransferase (ALT), 672 IU/L creatine phosphokinase, and 84 IU/L [gamma]-glutamyl transaminase.
However, the mean decrease in GGT was small, alanine aminotransferase was unchanged, and aspartate aminotransferase actually increased.
In a subchronic study with PSN105, there were no significant changes in body weight, liver weight, or plasma alanine aminotransferase, free fatty acid or triglyceride concentrations.