complementary

/kˌɒmplɪmˈɛntəɹi/

/ˌkɑmpɫəˈmɛntɹi/, /ˌkɑmpɫəˈmɛntʃi/

Complementary

either one of two chromatic colors that when mixed together give white (in the case of lights) or grey (in the case of pigments)

complementary

useful to each other or enhancing each other's qualities when brought together

of words or propositions so related that each is the negation of the other

Examples

1. 90 degrees is complementary.

2. These two angles are complementary.

3. The surfaces are absolutely complementary.

4. Do you guys have complementary powers?