A variant of the Unix grep command which searches for fixed (uninterpreted) strings rather than regular expressions. Surprisingly, this is not always faster.
1. federal gift tax. FGT abbr. female genital tract
1. Pathology. familial hypercholesterolemia. 1. family history 2. Food for the Hungry 3. future husband
1. Farmers’ Home Administration. 2. Federal Housing Administration. 3. Future Homemakers of America. 1. Farmers Home Administration 2. Federal Highway Administration 3. Federal Housing Administration 4. forced hot air (furnace) 5. Future Homemakers of America