GTC

1. General Teaching Council (GTCE for England; GTC(NI) for Northern Ireland; GTCS for Scotland; GTCW for Wales)
2. Good till cancelled (on an order for goods, securities, etc)
3. Government Training Centre

• omnishambles
• omnium
• omnium-gatherum
• omnium-gatherums
• omniums
• omnivore
• omnivores
• omnivories
• omnivorous
• omnivorously
• omnivorousness
• omnivory
• omohyoid
• omohyoids
• omophagia
• omophagias
• omophagic
• omophagous
• omophagy
• omophoria
• omophorion
• omoplate
• omoplates
• omoplatoscopies
• omoplatoscopy