magnitude

noun
C1+
1
C1+
the great size or importance of something; the degree to which something is large or important
بزرگی, عظمت, اهمیت, قدر, شدت
see also order of magnitude
2
the degree to which a star is bright
قدر, شدت نور (ستاره), مقیاس درخشندگی
The star varies in brightness by about three magnitudes.
Stars of the first magnitude are visible to the naked eye.
see also absolute magnitude, apparent magnitude
3
the size of an earthquake
بزرگی, شدت, مقیاس, قدرت
The quake reached a magnitude of 7.1 on the Richter scale.