kalupsis
Kalupsis is a term used primarily in speculative, literary, and philosophical contexts to denote a state or process of covering, enclosing, or concealing something. It is not a standardized scientific term; its precise meaning varies by author. In general it implies a deliberate barrier that reduces visibility or perceptibility, applied to physical objects, people, or abstract phenomena.
Etymology: The term appears to derive from a Greek root meaning "to cover" (kalupto). Kalupsis is used
Contexts and uses: In speculative fiction, kalupsis often denotes cloaking fields or invisibility devices that hide
Examples: A spacecraft equipped with a kalupsis field becomes harder to detect; a character may employ kalupsis