Informal; short for fabulous.

• Excellent, impressive, very good.

A semiconductor fabrication plant; a facility where chips are made.

• Any factory that fabricates microelectronic devices.

To fabricate or produce, especially via digital fabrication or 3D printing.

• To manufacture from computer-controlled designs.

A member of the Beatles; one of the Fab Four.

Radio or military-style acknowledgment meaning message received and understood.

Abbreviation: frontal assessment battery (neuropsychology).

• Abbreviation: French–American–British classification (hematology).
• Abbreviation: fast atom bombardment (mass spectrometry).

Attributive abbreviation of French–American–British, as in FAB classification.