CHEMISTRY Meaning and
Definition
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Chemistry is a branch of science that deals with the composition, structure, properties, and transformations of matter. It is often referred to as the central science because it connects and bridges phenomena from various disciplines such as physics, biology, and geology. The field of chemistry focuses on understanding the behavior of substances and how they interact with one another.
At its core, chemistry seeks to explain the building blocks of matter, the elements, and their combinations to form compounds. Through experimentation and observation, chemists study the properties, characteristics, and reactivity of substances on both macroscopic and microscopic scales. This includes investigating the arrangement of atoms, molecules, and ions, as well as the energy changes that occur during chemical reactions.
Chemistry encompasses several major branches, including organic chemistry, inorganic chemistry, physical chemistry, analytical chemistry, and biochemistry. Each branch encompasses a unique set of principles, methodologies, and applications. Organic chemistry focuses on the study of carbon compounds and its vast array of applications in the synthesis of various substances. Inorganic chemistry examines non-carbon-containing compounds, including metals and minerals. Physical chemistry combines chemical principles with physics to understand the fundamental forces and energy changes underlying chemical phenomena. Analytical chemistry develops methods to identify and quantify chemical components in a sample, while biochemistry delves into the chemical processes within living organisms.
The practical applications of chemistry are far-reaching, from developing new medications and disease treatments to improving materials for various industries such as manufacturing, agriculture, and energy production. By studying chemistry, scientists gain a deeper understanding of the natural world and its complex interactions, leading to advancements that shape our daily lives.
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The science dealing with the intimate constitution of substances, the elements and their mutual reactions, and the phenomena resulting from the formation and decomposition of compounds.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The science that ascertains the nature and constituent parts of any body, investigates the laws that regulate the action of bodies on each other, and determines in what proportion their elements unite.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of CHEMISTRY
The word "chemistry" derives from the Greek word "khēmeia" (χημεία) or "khumeia" (χυμεία), which originally referred to a branch of ancient alchemy. The exact origin of the word is uncertain, but it is believed to have roots in the Egyptian word "khem" or "khemt", which referred to the fertile black soil along the Nile River. Over time, the word "khēmeia" came to represent various mystical, philosophical, and chemical practices associated with alchemy. In the 17th century, the term was adopted in English as "chemistry" to specifically denote the study of the composition, properties, and transformations of matter.
Similar spelling words for CHEMISTRY
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