noun. ['ˈkæpə'] the 10th letter of the Greek alphabet.
- Greek alphabet
- alphabetic character
- letter of the alphabet
- κάππα (Ancient Greek (to 1453))
- 河童 (Japanese)
Words that Rhyme with Kappa
noun. an unstable meson produced as the result of a high-energy particle collision.
- K particle
Example sentences of the word kappa
1. Noun, singular or mass
In 2002, researchers discovered that S. divinorum acts on that part of the brain known as the kappa opiate receptor that regulates much of human perception.