- kodachrome process
- kodak
- koel
- kofta
- kohl
- kohlrabi
- koine
- koinotropy
- kola
- kola nut
- kolhhoznik
- kolinsky
- kolinsky brush
- kolkhoz
- kolyseptic
- komsomol
- konimeter
- koniscope
- konisphere
- konometer
- konzern
- koodoo
- kook
- kookaburra
- kookie
- kookly
- kooky
- kopec
- kopeck
- kopek
- kophemia
- kopje
- koran
- koranic
- korean
- korma
- koro
- koruna
- kosher
- koskas
- koto
- kotow
- kotschubeite
- koumintang
- koumis
- koumiss
- kounkani
- kourbash
- kowhai
- kowtow
- kph
- kps
- kraal
- krablite
- kraft
- kraft liner
- kraft paper
- kraft pulp
- kragdadige
- krait
- kraken
- kralt
- kramerite
- krans
- krarup cable
- krarup loading
- kratogen
- kraurite
- kraurosis
- kraut
- kraut filler
- krebs cycle
- kremlin
- kremlinologist
- kremlinology
- kreuzer
- krill
- kris
- krn block
- kromesky
- krona
- krone
- kronecker symbol
- kroo
- krou
- kru
- kruger rand
- krugerrand
- krukenberg tumour
- krummholz
- krummhorn
- krymotherapy
- krypton
- krypton lamp
- krypton0xenon mixture
- kshatriya
- ku-kluxer
- kuban
- kudos
- kudu