compound microscope
Học thuậtThân thiện
A student carefully adjusts the focus knob of a compound microscope in the science lab.
Definition
- Noun:
- An optical instrument for magnifying small objects: A compound microscope is a type of light microscope that uses two or more lens systems to achieve high magnification. The primary lens system (the objective) collects light from the specimen to create a magnified real image, which is then further magnified by a second lens system (the eyepiece or ocular) for viewing by the observer.
Examples of Usage
- Noun:
- In biology class, we used a compound microscope to observe the structure of plant cells.
- The discovery of bacteria was made possible by the invention of the compound microscope.
Advanced Usage
- "to view under a compound microscope": to observe a specimen using this specific instrument.
- The technician prepared a thin section of the mineral to view under a compound microscope.
Variants and Related Words
- Microscope (n): The general term for any instrument used to see objects too small for the naked eye. A compound microscope is a specific subtype.
- Objective lens (n): The primary lens of a compound microscope, located closest to the specimen.
- Eyepiece (n): The lens assembly at the top of a compound microscope through which the viewer looks.
Synonyms
- Light microscope: A broader category of microscopes that use visible light, which includes the compound microscope.
- Optical microscope: Another general term synonymous with light microscope.
Related Phrases
- Compound microscope slide: A thin, flat piece of glass used to hold the specimen for observation.
- Place the sample on a compound microscope slide and add a cover slip.
Related Idioms
(This specific technical term is not commonly used in idiomatic expressions.)
A student carefully adjusts the focus knob of a compound microscope in the science lab.
Noun
- light microscope that has two converging lens systems: the objective and the eyepiece