My definition of language fluency. Fluency is a spectrum (see the video below). This is my primary criteria for determining a personâs fluency level in a foreign language: Theyâre able to use their target language to learn more target language.
Geophysics /dÊiËoÊfÉªzÉªks/ is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.
geocentric. 1  having or representing the earth as a center: a geocentric theory of the universe. 2  using the earth or earthly life as the only basis of evaluation. 3  viewed or measured as from the center of the earth: the geocentric position of the moon.