← Back to search

Meaning of standard ruler | Babel Free

Noun CEFR B2

Definitions

Any astronomical object of known diameter whose distance can then be calculated from the angle it subtends

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Standard Schnauzer standard siren standard star standard temperature and pressure standard theory standard time