insecticide science definition dictionary merriam-webster

Insecticidal | Definition of Insecticidal by Merriam-Webster

Insecticidal definition is - destroying or controlling insects. Recent Examples on the Web There are insecticidal soaps on the market that can be used to control mealybugs. — Tim Johnson, chicagotribune.com, "Mealybugs can put houseplants in a sticky situation — here’s how to get rid of them," 27 Dec. 2020 If this was the case, apply an insecticidal soap, following label instructions ...

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Insecticide - definition of insecticide by The Free Dictionary

Define insecticide. insecticide synonyms, insecticide pronunciation, insecticide translation, English dictionary definition of insecticide. n. A substance or agent used to kill insects and other arthropods. in·sec′ti·cid′al adj. American Heritage® Dictionary of the English Language, Fifth...

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SCIENCE :: SCIENTIFIC SYMBOLS images - Visual Dictionary ...

Standardized signs that have been adopted by convention to simplify the writing of numbers, formulas and equations used in science and technology. international system of units [1] Decimal system established by the 11th General Conference on Weights and Measures (GCWM) in …

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INSECT | meaning in the Cambridge English Dictionary

insect definition: 1. a type of very small animal with six legs, a body divided into three parts and usually two pairs…. Learn more.

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SCIENCE :: SCIENTIFIC SYMBOLS images - Visual Dictionary ...

Standardized signs that have been adopted by convention to simplify the writing of numbers, formulas and equations used in science and technology. international system of units [1] Decimal system established by the 11th General Conference on Weights and Measures (GCWM) in …

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Merriam-Webster's Word Central

Merriam-Webster's Word Central offers kids a student dictionary, Daily Buzzword, and interactive word games. Includes homework help and lesson plans for parents, teachers.

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Science | Definition of Science at Dictionary.com

Science definition, a branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws: the mathematical sciences. See more.

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INSECT | meaning in the Cambridge English Dictionary

insect definition: 1. a type of very small animal with six legs, a body divided into three parts and usually two pairs…. Learn more.

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Science definition - What is science?

According to Webster's New Collegiate Dictionary, the definition of science is: "knowledge attained through study or practice," or "knowledge covering general truths of the operation of general laws, esp. as obtained and tested through scientific method [and] concerned with the physical world."

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Definitions of define - OneLook Dictionary Search

Click on the first link on a line below to go directly to a page where "define" is defined. General (29 matching dictionaries) define: Merriam-Webster.com [home, info] define: Oxford Dictionaries [home, info] define: American Heritage Dictionary of the English Language [home, info] define: Collins English Dictionary [home, info]

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Spiracle - definition of spiracle by The Free Dictionary

Define spiracle. spiracle synonyms, spiracle pronunciation, spiracle translation, English dictionary definition of spiracle. n. 1. Zoology A respiratory aperture, especially: a. ... any of several paired apertures in the cuticle of an insect, by which air enters and leaves the trachea. 2. ... The American Heritage® Student Science Dictionary ...

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insecticide definition | French definition dictionary ...

insecticide translation in French - French Reverso dictionary, see also 'insectilice',insectillice',inspectrice',insectivorie', examples, definition, conjugation

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Health | definition of health by Medical dictionary

health [helth] a relative state in which one is able to function well physically, mentally, socially, and spiritually in order to express the full range of one's unique potentialities within the environment in which one is living. In the words of René Dubos, “health is primarily a measure of each person's ability to do and become what he wants to ...

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Dictionary - definition of dictionary by The Free Dictionary

Define dictionary. dictionary synonyms, dictionary pronunciation, dictionary translation, English dictionary definition of dictionary. n. pl. dic·tion·ar·ies 1.

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Webster Dictionary

Webster-dictionary.net is a free English online dictionary featuring more than 130,000 definitions and words from multiple dictionaries, including Webster's Dictionary. To get started, use the search box or browse an alphabetical index of terms. Go to the definition of any word on the page just by clicking it!

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SCIENCE images - Visual Dictionary Online

Standardized signs that have been adopted by convention to simplify the writing of numbers, formulas and equations used in science and technology. international system of units [1], international system of units [2], biology, mathematics, geometry, geometrical shapes

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Larvae - definition of larvae by The Free Dictionary

Define larvae. larvae synonyms, larvae pronunciation, larvae translation, English dictionary definition of larvae. ... such as butterflies, moths, and beetles. Insect larvae hatch from eggs, later turn into pupae, and finally turn into adults. Compare imago, nymph, pupa. The American Heritage® Student Science Dictionary, Second Edition ...

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Defecate | Definition of Defecate at Dictionary.com

Defecate definition, to void excrement from the bowels through the anus; have a bowel movement. See more.

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Lists of Merriam-Webster's Words of the Year - Wikipedia

The lists of Merriam-Webster's Words of the Year (for each year) are ten-word lists published annually by the American dictionary-publishing company Merriam-Webster, Inc., which feature the ten words of the year from the English language. These word lists started in 2003 and have been published at the end of each year. At first, Merriam-Webster determined its contents by analyzing page hits ...

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SCIENCE images - Visual Dictionary Online

Standardized signs that have been adopted by convention to simplify the writing of numbers, formulas and equations used in science and technology. international system of units [1], international system of units [2], biology, mathematics, geometry, geometrical shapes

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Visual Dictionary Online

From the image to the word and its definition, the Visual Dictionary Online is an all-in-one reference. Search the themes to quickly locate words, or find the meaning of a word by viewing the image it represents. What’s more, the Visual Dictionary Online helps you learn English in a

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Webster | Definition of Webster at Dictionary.com

Webster definition, a weaver. See more. Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 ...

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Life science - Merriam-Webster's Learner's Dictionary

Definition of life science written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels.

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Quantum | Definition of Quantum at Dictionary.com

Quantum definition, quantity or amount: the least quantum of evidence. See more.

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Webster Dictionary

Webster-dictionary.net is a free English online dictionary featuring more than 130,000 definitions and words from multiple dictionaries, including Webster's Dictionary. To get started, use the search box or browse an alphabetical index of terms. Go to the definition of any word on the page just by clicking it!

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Thorax - definition of thorax by The Free Dictionary

tho·rax (thôr′ăks′) n. pl. tho·rax·es or tho·ra·ces (thôr′ə-sēz′) 1. The part of the human body between the neck and the diaphragm, partially encased by the ribs and containing the heart and lungs; the chest. 2. A part in other vertebrates that corresponds to the human thorax. 3. The second or middle region of the body of certain ...

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