 |
| Subject | English | Thesaurus |
| abbr., el. | BB TO IF | baseband to intermediate frequency |
| abbr., oil | BB-to-IF | base band-to-intermediate frequency |
| abbr., genet. | Co-IF | co-initiation factor |
| if the cap fits, wear it | if the shoe fits, wear it | |
| abbr., microel. | IF-THEN operation | conditional implication operation |