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refractory resistant to heat; hard to melt.
Ãâó: homepages.cae.wisc.edu/~ie415/definitions.shtml
refractor A built in lens that bends the light rays to distribute the light over a wider area or to reduce glare.
Ãâó: www.uwex.edu/energy/lighting_terms.html
refractory period brief period after 1 millisecond action potential when the neuron is resistant to reexcitation after an action potential. Permeability to sodium ions is low and to potassium ions is higher than normal.
Ãâó: www.miracosta.cc.ca.us/home/sfoster/neurons/glossa...
refractory Rebellious; stubborn; actively resisting.
Ãâó: www.mises.org/easier/R.asp
refractory A high melting point material, various refractories exist in the industry with many applications including the direct containment of molten aluminium.
Ãâó: www.metallurgaluminium.com/glossarymain.html
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