GCA

1. Ground control (or controlled) approach system, or ground control apparatus (aeronautics)
2. Guatemala, Central America (IVR)

• imbue
• imbued
• imbues
• imbuing
• imburse
• imbursed
• imburses
• imbursing
• IMechE
• IMEI
• IMF
• imho
• IMHO
• imidazole
• imidazoles
• imide
• imides
• imidic
• imine
• IMinE
• imines
• imipramine
• imipramines
• imit.
• imitabilities