Sinonim d region

English Thesaurus

1. the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves (noun.location)

instance hypernym	:	part, region,
definition	:	the extended spatial location of something (noun.location)

part meronym	:	ionosphere,
definition	:	the outer region of the Earth's atmosphere; contains a high concentration of free electrons (noun.location)