insecticide definition chemistry meaning in english

Tureng - insecticide - Turkish English Dictionary- insecticide definition chemistry meaning in english ,English Turkish online dictionary Tureng, translate words and terms with different pronunciation options. insecticide böcek ilacı apply insecticide to ilaçlama yapmakPermethrin - definition of permethrin by The Free DictionaryA synthetic pyrethroid, C21H20Cl2O3, used as an agricultural, industrial, and residential insecticide, to treat scabies and head lice in humans, and to... Permethrin - definition of permethrin by The Free Dictionary ... (Chemistry) a synthetic chemical compound with formula C21H20Cl2O3, effective as an insecticide and against various parasites ...



lindane - definition and meaning

lindane: An isomer of the chlorocarbon C 6 H 6 Cl 6 , obtained as a white crystalline powder and having a musty odor. A potent pesticide, it has been banned from agricultural use in several countries including the United States, but is used topically in the treatment of scabies and pediculosis.

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DICHLORVOS | Definition of DICHLORVOS by Oxford Dictionary ...

noun. mass noun Chemistry. A pale yellow liquid used as an insecticide and veterinary anthelmintic. An organophosphorus compound; alternative name: 2,2-dichlorovinyl dimethyl phosphate; chemical formula: (CH₃O)₂PO₂CHCCl₂. ‘It is known commercially to treat salmon suffering from infestation with sea lice by the use of the insecticide ...

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pesticide | meaning of pesticide in Longman Dictionary of ...

From Longman Dictionary of Contemporary English Related topics: Chemistry, Agriculture, Gardening, Microbes, genetics, biochem pesticide pes‧ti‧cide / ˈpestɪsaɪd / noun [countable, uncountable] HC TA a chemical substance used to kill insects and small animals that destroy crops → herbicide Examples from the Corpus pesticide • More ...

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Water Chemistry Definition and Properties

Feb 06, 2020·Water Definition. Water is a chemical compound consisting of two hydrogen atoms and one oxygen atom. The name water typically refers to the liquid state of the compound. The solid phase is known as ice and the gas phase is called steam. Under certain conditions, water also forms a supercritical fluid.

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carbamate - definition and meaning

from The American Heritage® Dictionary of the English Language, 5th Edition. noun A salt or an ester of carbamic acid, especially one used as an insecticide. from The Century Dictionary.

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Soil Pollution: Definition, Causes, Pesticides, After ...

The soil contamination can occur due to the presence of chemicals such as pesticides, herbicides, ammonia, petroleum hydrocarbons, lead, nitrate, mercury, naphthalene, etc in an excess amount. The primary cause of soil pollution is a lack of awareness in general people. Thus, due to many different human activities such as overuse of pesticides ...

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Chemistry | Definition of Chemistry at Dictionary

Chemistry definition, the science that deals with the composition and properties of substances and various elementary forms of matter. See more.

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Tamil meaning of Extern - English to Tamil Dictionary ...

Meaning of 'extern' in Tamil - 'English to Tamil' Dictionary with meanings in english for tamil words. Tamil Vocabulary, Transliterations, Meanings in Online Tamil Dictionary

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Understanding Pesticides in Organic and Conventional Crop ...

Dec 28, 2018·In conversations about pesticides, certified organic agriculture, conventional production, and backyard gardening, questions are often raised concerning which pesticides can be used, where pesticides come from, and associated risks to people, pollinators, and the environment. Terms like “synthetic,” “toxicity,” “natural,” “organic,” and “chemicals” are sometimes used in ...

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Pesticide - Wikipedia

Pesticides are substances that are meant to control pests. The term pesticide includes all of the following: herbicide, insecticides (which may include insect growth regulators, termiticides, etc.) nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, antimicrobial, and fungicide. The most common of these are herbicides which account for ...

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Lindane definition and meaning | Collins English Dictionary

Lindane definition: a white poisonous crystalline powder with a slight musty odour : used as an insecticide ,... | Meaning, pronunciation, translations and examples

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Insecticide : definition of Insecticide and synonyms of ...

An insecticide is a pesticide used against insects.They include ovicides and larvicides used against the eggs and larvae of insects respectively. Insecticides are used in agriculture, medicine, industry and the household.The use of insecticides is believed to be one of the major factors behind the increase in agricultural productivity in the 20th century. [1]

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pesticide | meaning of pesticide in Longman Dictionary of ...

From Longman Dictionary of Contemporary English Related topics: Chemistry, Agriculture, Gardening, Microbes, genetics, biochem pesticide pes‧ti‧cide / ˈpestɪsaɪd / noun [countable, uncountable] HC TA a chemical substance used to kill insects and small animals that destroy crops → herbicide Examples from the Corpus pesticide • More ...

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Endosulfan - definition of endosulfan by The Free Dictionary

Define endosulfan. endosulfan synonyms, endosulfan pronunciation, endosulfan translation, English dictionary definition of endosulfan. n. A highly toxic crystalline solid, C9H6Cl6O3S, used as an insecticide and wood preservative.

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Naled | Definition of Naled at Dictionary

Naled definition, a synthetic insecticide and miticide, C4H7Br2Cl2O4, having relatively low toxicity to mammals. See more.

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Repellent | Definition of Repellent by Merriam-Webster

Repellent definition is - serving or tending to drive away or ward off —often used in combination. How to use repellent in a sentence.

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Repellent | Definition of Repellent by Merriam-Webster

Repellent definition is - serving or tending to drive away or ward off —often used in combination. How to use repellent in a sentence.

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pyrethrum - definition and meaning

from The American Heritage® Dictionary of the English Language, 5th Edition. noun A Eurasian perennial plant (Tanacetum coccineum) in the composite family, cultivated for its colorful flower heads and formerly used as a source of an insecticide.

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Insecticide definition and meaning | Collins English ...

Jul 12, 2021·Insecticide definition: Insecticide is a chemical substance that is used to kill insects. | Meaning, pronunciation, translations and examples

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chemistry noun - Definition, pictures, pronunciation and ...

Definition of chemistry noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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Pesticides - Definition, Types, Uses, and Harmful Effects

Pesticides are chemical substances that are meant to kill pests. In general, a pesticide is a chemical or a biological agent such as a virus, bacterium, antimicrobial, or disinfectant that deters, incapacitates, kills, pests. This use of pesticides is so common that the …

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Pyrethrum Meaning | Best 5 Definitions of Pyrethrum

What does pyrethrum mean? An insecticide made from the dried flower heads of any of these plants. (noun)

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Absorbance - Chemistry Glossary Definition

Dec 06, 2018·Absorbance is a measure of the quantity of light absorbed by a sample. It is also known as optical density, extinction, or decadic absorbance. The property is measured using spectroscopy, particularly for quantitative analysis.Typical units of absorbance are called "absorbance units," which have the abbreviation AU and are dimensionless.

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REPELLENT English Definition and Meaning | Lexico

1 A substance that deters insects or other pests from approaching or settling. ‘The fruits make good outdoor Christmas ornaments or could be used as insect pest repellents in the winter.’. ‘His work grew from earlier research by scientists in Beltsville, Maryland, who discovered a family of natural sugar esters that act as repellents to ...

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