| Subject | English | French |
| IMF. | ALT-A Mortgage | prêt hypothécaire "Alternative-A" |
| comp., MS | ALT key | touche Alt (A keyboard key that is used in conjunction with another key to produce some special feature or function and is typically marked with the letters Alt) |
| comp. | Alt key | touche Alt |
| comp., MS | Alt. Rock | Rock alternatif (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. ID3v1 genre ID 40) |
| commun. | to alt-route | détourner |
| commun. | alt-route automatic | acheminement détourné automatique |
| nat.sc. | tan alt | facteur d'ombre |
| nat.sc. | tan alt | tangente h |