| PEC | easily irritated or annoyed |
|---|---|
| PEC | (British) somewhat hungry |
| PEC | Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb |
| PEC | a tributary of the Rio Grande |
| PEC | a tributary of the Rio Grande |
| PEC | either of two large muscles of the chest |
| PEC | small scallop inhabiting shallow waters and mud flats of the North American Atlantic coast |
| PEC | large scallop inhabiting deep waters of the North American Atlantic coast |
| PEC | of or relating to or derived from pectin |
| PEC | a complex acid that occurs in ripe fruit and some vegetables |
| PEC | any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables |
| PEC | like a comb |