kappa
Iota's alphabetic successor
Kappa is the tenth letter of the Greek alphabet (Κ, κ), corresponding to English K.
In anatomy, kappa appears in terms like kappa receptor, a type of opioid receptor in the nervous system.
The word occasionally appears in scientific and mathematical contexts as a variable or coefficient. (Capitalized Kappa is a Greek letter used as a fraternity/sorority name element or the Twitch emote.)
Writing system from antiquity
Science of matter and energy
- mathematicsScience of quantity and structure
- dielectricPolarizable electrical non-conductor
- conductivityAbility to carry current
- coefficientNumber multiplying a variable
permittivity · permeability · compressibility · curvature · index · ratio · thermal · elastic
Morphine-class analgesic
- nervous systemSignal transmission network
- pharmacologyStudy of drug actions
- analgesicPain-relieving medication
- painBodily or emotional distress
Greek alphabet
Writing system from antiquity
zeta · eta · theta · iota · lambda · mu · nu · xi · omicron · pi
physics
Science of matter and energy
- mathematicsScience of quantity and structure
- dielectricPolarizable electrical non-conductor
- conductivityAbility to carry current
coefficient · permittivity · permeability · compressibility · curvature · index · ratio · thermal · elastic · dimensionless
opioid
Morphine-class analgesic
- nervous systemSignal transmission network
- pharmacologyStudy of drug actions
- analgesicPain-relieving medication
- Phi Beta KappaElite academic fraternity
- Alpha Kappa AlphaHistorically Black Greek-letter sorority