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Meaning of r-value | Babel Free

Noun CEFR B1

Definitions

A measure of thermal resistance used in domestic insulation.

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
See all B1 English words →

See also

r-word r. R. V. r.h.s. R.I. R.N.

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