Thermometers 1 A thermometer is a device that measures temperature or temperature gradient, using a variety of different principles. The word thermometer is derived from two smaller word fragments: thermo from the Greek for heat and meter from Greek, meaning to measure.hermometers 1 A thermometer is a device that measures temperature or temperature gradient, using a variety of different principles. The word thermometer is derived from two smaller word fragments: thermo from the Greek for heat and meter from Greek, meaning to measure.
The absolute value of GDP in Rwanda rose â¬213 $490 million with respect to 2013. The GDP per capita of Rwanda in 2014 was â¬491 $662, â¬5 $23 higher than in 2013, it was â¬486 $639.
Country Overview. Rwanda is a small landlocked country in East Africa. It is bordered by the Democratic Republic of Congo (DRC) to the west, Tanzania to the east, Uganda to the north, and Burundi to the south. The 2012 Population and Housing Census put the population of Rwanda to 10.5 million residents, of which 52% are women.