Toxin Definition & Meaning - Merriam-Webster
WEBThe meaning of TOXIN is a poisonous substance that is a specific product of the metabolic activities of a living organism and is usually very unstable, notably toxic when introduced into the tissues, and typically capable of inducing antibody formation. How to use toxin in a sentence. Toxins Are Often Found in Nature.
Toxin - Wikipedia
WEBA toxin is a naturally occurring organic [dubious – discuss] poison produced by metabolic activities of living cells or organisms. They occur especially as proteins, often conjugated. The term was first used by organic chemist Ludwig Brieger (1849–1919) and is derived from the word "toxic".
Toxin | Description, Types, & Sources | Britannica
WEBToxin, any substance poisonous to an organism. The term is sometimes restricted to poisons spontaneously produced by living organisms (biotoxins). Besides the poisons produced by such microorganisms as bacteria, dinoflagellates, and algae, there are toxins from fungi (mycotoxins), higher plants
Toxin - Definition, Effects and Types | Biology Dictionary
WEBApr 1, 2018 · Toxin Definition. A toxin is a chemical substance which damages an organism. A toxin may be as simple as an ion or atom which negatively interferes with a cell. A toxin can also be in the form of complex molecules such as the proteins found in snake venom. Still other atoms and chemicals emit radiation, which has toxic effects on …
TOXIN Definition & Meaning | Dictionary.com
WEBToxin definition: any poison produced by an organism, characterized by antigenicity in certain animals and high molecular weight, and including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., and such plant and animal toxins as ricin and snake venom.. See examples of TOXIN used in a sentence.
TOXIN | definition in the Cambridge English Dictionary
WEBA poison that exists naturally in an insect or animal, and which is often introduced into the victim by biting or stinging, is known as a venom, while one in a plant is generally known …
Toxin Definition & Meaning | Britannica Dictionary
WEBBritannica Dictionary definition of TOXIN. [count] : a poisonous substance and especially one that is produced by a living thing. the toxin in scorpion venom. Scientists are studying how exposure to environmental toxins [=small amounts of poisons found in air, water, food, etc.] may affect our health.
Toxin - Definition, Meaning & Synonyms | Vocabulary.com
WEBA toxin is an organic poison — it’s made by plants and animals. Toxins make people sick. If your appendix bursts, toxins are released into your blood stream. Also breathing in a toxin like ricin will make you very ill. Toxins are naturally occurring poisons.
toxin noun - Definition, pictures, pronunciation and usage notes ...
WEBDefinition of toxin noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
What is a toxin? | Popular Science
WEBJan 1, 2022 · In medicine, “toxin” refers to a biological substance that is poisonous to humans (think snake venom or botulism toxin). Scientists also use the term to refer to harmful...
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