You searched for positive_lens - Biology Articles, Tutorials & Dictionary Online

Achromatic (Science: microscopy) Literally, colour-free. A lens or prism is said to be achromatic when corrected for two... Read More

Doublet (Science: microscopy) two simple lens elements cemented together, for the purpose of giving spherical and chromatic... Read More

Several words of the English language find wide usage in subjects as diverse as literature, science, social science,... Read More

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Definition noun plural: compounds com·pound, ˈkɒmpaʊnd (general) A material made up of two or more parts or... Read More

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