| refractory flask |
a metal tube in which a refractory mold is made for casting metal dental restorations or appliances; called also casting f.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| refractor |
A refracting or refractor telescope is a type of optical telescope which refracts light at each end using lenses. This refraction causes parallel light rays to converge at a focal point; while those which were not parallel converge upon a focal plane. This can enable a user to view a distant object as if it were brighter, clearer, and/or larger. These are similar to microscopes. The monocular is a type of refractor. A typical refractor has two lenses, an objective lens and an eyepiece lens. ...
Ãâó: en.wikipedia.org/wiki/Refractor
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| refractory |
In medicine, describes a disease or condition that does not respond to treatment.
Ãâó: www.stjude.org/glossary
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| refractory period |
The period following orgasm during which the male cannot be sexually aroused.
Ãâó: highered.mcgraw-hill.com/sites/0072986360/student_...
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| refractory period |
The period after a spike during which a neuron cannot fire a new action potential.
Ãâó: www.nature.com/nrn/journal/v4/n11/glossary/nrn1248...
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