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Refractory

speaker
speaker

Meaning

Adj

Obstinate and
;
to something.
Not
by great heat.
In Medicine:
Difficult to treat.
In Biology:
Incapable of
a
or stimulus.

Noun

A
or
of
, such as a
, that has a very high
point.
A
or
that
such material.
Sourced from
Wiktionary

Origin

refractory
English
arrow
refractarius
Latin
Sourced from
Etym
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