(lat. substratum od substernere podastrijeti) podloga, osnova, nositelj, supstancija
supstratosfera
(lat. sub, stratum sloj, grè. sfaira kugla) sloj zraka izmeðu troposfere i stratosfere na visini od 9 do 13 km u kojem se javlja odreðeno povišenje temperature
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