magnitude

The great size or importance of something; the degree of brightness of a star.

• magnify/ˈmæɡnɪfaɪ/(v)放大；夸大 (same root)
• magnanimous/mæɡˈnænɪməs/(adj)宽宏大量的 (related root "magnus")

• of such magnitude
• magnitude of the problem
• order of magnitude
• the full magnitude
• magnitude of change
• earthquake magnitude
• underestimate the magnitude

1. 1.The team had not fully appreciated the magnitude of the challenge until they were deep into the project.
2. 2.The earthquake measured 7.2 on the Richter scale — a magnitude that causes severe damage.

• scale/skeɪl/— the relative size of something
• size/saɪz/— how large something is
• significance/sɪɡˈnɪfɪkəns/— the importance of something

from Latin "magnitudo" = greatness, from "magnus" (great, large)