closed ecological life support system
controlled environment life support system


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  • Celt

    an ax of stone or metal without perforations or grooves, for hafting. Celtic (def 1). a member of an Indo-European people now represented chiefly by the Irish, Gaels, Welsh, and Bretons. Celtic. Historical Examples noun (archaeol) a stone or metal axelike instrument with a bevelled edge noun a person who speaks a Celtic language a […]

  • Celtiberian

    noun a member of a Celtic people (Celtiberi) who inhabited the Iberian peninsula during classical times the extinct language of this people, possibly belonging to the Celtic branch of the Indo-European family, recorded in a number of inscriptions Historical Examples

  • Celtic-cross

    a cross shaped like a Latin cross and having a ring that intersects each segment of the shaft and crossbar at a point equidistant from their junction. noun a Latin cross with a broad ring surrounding the point of intersection

  • Celticism

    a Celtic custom or usage. Historical Examples

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