Noun
(uncountable, physics) Abbreviation of Lyman continuum.
(countable, physics) Abbreviation of Lyman continuum photon.
(horticulture) Abbreviation of Lycaste. (a type of orchid)
(uncountable) Alternative spelling of LyC (Lyman continuum)
(countable) Alternative spelling of LyC (Lyman continuum photon)
Source: en.wiktionary.org