[key-seer-eez] /ˈkeɪˌsɪər iz/
See under .
one of a series of lines (K-series) in the x-ray spectrum of an atom corresponding to radiation (K-radiation) produced by the transition of an electron to the K-shell.
abbreviation 1. Knight of the Order of St Gregory the Great (a Papal honorary title)
[ksha-tree-uh] /ˈkʃæ tri ə/ noun 1. a member of the Hindu royal and warrior class above the Vaisyas and below the Brahmans. /ˈkʃætrɪə/ noun 1. a member of the second of the four main Hindu castes, the warrior caste
[key-shel] /ˈkeɪˌʃɛl/ noun, Physics. 1. the first shell of electrons surrounding the nucleus of an atom and containing, when filled, two electrons having principal quantum number 1.