ULTRAMICROSCOPE Meaning and
Definition
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The term "ultramicroscope" refers to an optical instrument or device primarily used to observe extremely small particles or objects that are not visible through an ordinary microscope. It employs a bright light source, such as a lamp or laser, which illuminates the specimen through a high-powered lens system. The light then passes through the object, producing scattering or diffraction of the light waves. This scattered light is then projected onto a viewing screen or photographic plate, allowing for magnification and observation.
The main distinguishing feature of an ultramicroscope is its ability to detect and visualize particles that are smaller than the wavelength of visible light. By angling the light source to ensure that only scattered light reaches the viewing screen, larger particles are blocked, and only the tiny particles or their reflections become visible. This technique, known as dark-field illumination, enhances the visibility and contrast of these ultrasmall objects.
The ultramicroscope has found applications in various scientific disciplines, such as biology, chemistry, and materials science. It is particularly useful for examining colloidal suspensions, nanoparticles, viruses, and other minute structures that cannot be observed with conventional microscopes. With the advancement of technology, modern ultramicroscopes have incorporated imaging techniques like digital cameras and video recording, allowing for real-time observation and analysis of the microscopic specimens.
In summary, an ultramicroscope is an optical device that employs dark-field illumination to visualize extremely small particles or objects. Its ability to detect and magnify particles that are not visible with an ordinary microscope makes it an essential tool in scientific research and analysis.
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A microscope which renders visible, by means of diffraction produced by side illumination, objects too small to be visible otherwise under the most powerfull microscope.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ULTRAMICROSCOPE
- yltramicroscope
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Etymology of ULTRAMICROSCOPE
The word "ultramicroscope" is derived from the combination of two words: "ultra" and "microscope".
The term "ultra" comes from the Latin word "ultra", meaning "beyond" or "on the far side". It is used as a prefix in English to indicate something that is extreme, surpassing, or beyond the conventional or normal limits.
The word "microscope" is composed of two Greek roots: "micro", meaning "small", and "skopein", meaning "to look" or "to see". A microscope is an optical instrument used for magnifying and observing small objects that are too tiny to be seen with the naked eye.
Therefore, the etymology of "ultramicroscope" implies a device or tool that enables one to see objects beyond the capabilities of a regular microscope, implying an even higher level of magnification and resolution.
Similar spelling words for ULTRAMICROSCOPE
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