(quantum mechanics) A theory of quantum fields; the result of applying second quantization to Classical Relativistic Field Theory.

A field covered in stubble

(quantum mechanics) A quantum operator-valued function of (any point in) space.

(linear algebra) A scalar field.

A salad with Mexican-style ingredients such as beans, corn, and jalapeños.

plural of fiesta salad

simple past tense and past participle of fy

A surname from German.

plural of Fiebig

(geology) A flat expanse of solidified lava flow