dye in English:

1. your hair

English word "dye"(your hair) occurs in sets:

Collocations Challenges 4

2. change a colour of

English word "dye"(change a colour of) occurs in sets:

Smart Time 4 1a, 1b, 1c

3. contrast agent

4. to change the colour of something using a special liquid

5. a substance used to change the colour of something