food colouring

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a digestible substance used to give color to food
- food color made from vegetable dyes
• Syn:
coloring, colouring, food coloring, food color, food colour
• Derivationally related forms:
colour (for: colouring), color (for: coloring)
• Hypernyms:
foodstuff, food product