| AND | |
| abbr. auto. | and circuit |
| abbr. avia. | army/navy drawing |
| abbr. IT | Logical AND; any day now; AND function |
| abbr. med. | Allow Natural Death |
| abbr. mil. | alphanumeric display |
| abbr. oil | Advanced Digital Network; alphanumerical display |
| ENCODE | |
| abbr. biotechn. | Encyclopedia of DNA elements |
| abbr. genet. | Encyclopedia of DNA Elements |
| Delta Modulation | |
| telecom. abbr. | DM |