CHEMICALS Meaning and
Definition
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Chemicals refer to substances that have a distinct composition and specific characteristics resulting from their molecular structure. These substances are typically obtained through natural or synthetic processes and can exist as solids, liquids, or gases. Chemicals are integral in various fields such as industry, agriculture, medicine, and research.
Chemicals play a fundamental role in everyday life, as they are used in countless products and processes. They can be categorized into different groups based on their purpose or properties such as acids, bases, solvents, fertilizers, pesticides, and pharmaceuticals. Each category of chemicals has unique characteristics and functions, tailored to fulfill specific needs and applications.
In industrial settings, chemicals are used for manufacturing and treating materials, including the production of plastics, metals, and textiles. They also play a crucial role in processes like refining fuels and generating energy. Additionally, chemicals are vital in agriculture for enhancing crop yields and protecting plants against pests and diseases. In medicine, chemicals are utilized in the development of pharmaceutical drugs, as well as in diagnostic tests and treatments.
While many chemicals provide immense benefits, some may have adverse effects on human health or the environment. Therefore, their use and disposal should be handled with caution and consideration for safety.
Overall, chemicals are substances with distinctive properties that are essential for a wide range of purposes, contributing to the advancement and functioning of various industries and sectors.
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Substances used for producing chemical effects; organic chemistry, that which treats of the substances which form the structure of animals or vegetables, and their products; inorganic chemistry, that which treats of the substances which form mineral bodies; practical or applied chemistry, that which treats of the products of chemistry useful in the arts, and for economical purposes; pure chemistry, that which treats of the elemental constitution of substances, and of the laws of combination.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of CHEMICALS
The word "chemicals" has a complex etymology. It ultimately derives from the Arabic word "kīmiyā" (الكيمياء), which referred to alchemy. Alchemy, in turn, was influenced by the Greek word "chēmeía" (χημεία) or "khēmia" (χημία), which meant "the art of transmuting metals". The Arabic word "kīmiyā" was introduced to Latin as "alchimia", and then evolved into "chemia" and "chimica" in various European languages. Eventually, the term "chemistry" was derived from "chimica". The plural form of "chemicals" emerged as a convenient way to describe various substances studied within the realm of chemistry.
Similar spelling words for CHEMICALS
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