Isomeric: meaning, definitions and examples

Etymology

• The word is derived from the Greek 'isos', meaning 'equal', and 'meros', meaning 'part'. This reflects the idea that isomers have the same parts but are arranged differently.
• It first appeared in scientific texts during the early 19th century as chemists began to understand molecular structures.

Chemistry

• Isomers can be broadly categorized into structural isomers and stereoisomers, highlighting differences in chemical structure or spatial arrangement.
• Ethanol and dimethyl ether are two well-known structural isomers, sharing the same molecular formula (C2H6O), but having very different properties.
• Stereoisomers include cis-trans isomers, where the arrangement of atoms around a double bond can change, leading to different physical properties.

Biology

• Isomerism plays a crucial role in biology, as the shape of molecules often determines their function; for example, glucose and fructose are isomers that serve different roles in metabolism.
• Many drugs are designed as isomers, where one form might be effective while another could be inactive or have unwanted effects.

Pop Culture

• Isomerism has inspired various themes in art and literature, representing the idea of hidden identity or duality, similar to how a character may have a mask while hiding their true self.
• In the film 'The Prestige', the themes of duality and hidden identities parallel the concept of isomeric relationships.

History

• The discovery of isomers was pivotal in establishing molecular theory in the early 19th century, leading to advancements in organic chemistry.
• Friedrich August Kekulé's work on carbon compounds in the 1860s played a significant role in understanding isomerism, paving the way for modern chemical structures.

Positioned at #21,247, this word is part of extensive vocabulary. It's relatively rare in general usage but may be important in specific fields or formal writing.

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