Refractor
noun
1.
a person or thing that refracts.
2.
refracting telescope.
noun
1.
an object or material that refracts
2.
another name for refracting telescope
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adjective 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or work, as an ore or metal. noun, plural refractories. 4. a material having the ability to retain its physical shape and chemical identity when subjected to high temperatures. 5. refractories, bricks […]
- Refractory
adjective 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or work, as an ore or metal. noun, plural refractories. 4. a material having the ability to retain its physical shape and chemical identity when subjected to high temperatures. 5. refractories, bricks […]
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noun, Physiology. 1. a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation. refractory period noun 1. a period during which a nerve or muscle is incapable of responding to stimulation, esp immediately following a previous stimulation. In an absolute refractory period there is a total […]
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refractory state n. Subnormal excitability of a muscle or nerve immediately following a response to previous excitation.