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Exam: TOEFL

ionise

IPA: /ˈaɪənaɪz/

KK: /ˈaɪənaɪz/

verb

Definition: To convert an atom or molecule into an ion by adding or removing charged particles, usually electrons.

Example: When exposed to radiation, some atoms can ionise and become charged particles.

ioniser

IPA: /ˈaɪənaɪzə/

KK: /ˈaɪənˌaɪzər/

noun

Definition: A device that produces ions, often used to purify air or reduce static electricity.

Example: The ioniser helped to improve the air quality in the room.

ionising

IPA: /aɪəˈnaɪzɪŋ/

KK: /aɪəˈnaɪzɪŋ/

adjective

Definition: Describing a process that converts atoms or molecules into ions by adding or removing charged particles, often through the application of energy.

Example: The ionising radiation from the sun can affect electronic devices in space.

verb

Definition: To convert an atom or molecule into an ion by adding or removing charged particles, usually electrons.

Example: The process of ionising air can create a conductive path for electricity.

ionium

IPA: /ˈaɪə.ni.əm/

KK: /ˈaɪəniəm/

noun

Definition: A natural radioactive form of thorium with a mass number of 230, believed to be produced from the decay of actinium.

Example: Ionium is used in some scientific research related to radioactive isotopes.

ionizable

IPA: /aɪˈoʊnɪzəbl/

KK: /aɪˈɒnəˌzaɪbəl/

adjective

Definition: Able to be changed into ions, which are charged particles.

Example: Salt is an ionizable substance that can break down into ions in water.

ionization

IPA: /aɪəˈnaɪzeɪʃən/

KK: /aɪəˈnaɪzeɪʃən/

noun

Definition: The process of creating ions from atoms or molecules, often through heat, electricity, or chemical reactions.

Example: Ionization occurs when an atom gains or loses electrons, resulting in a charged particle.

ionize

IPA: /ˈaɪənaɪz/

KK: /ˈaɪənaɪz/

transitive verb

Definition: To change a substance into ions, either completely or partially.

Example: The process of ionizing the gas allowed it to conduct electricity.

ionizer

IPA: /aɪˈoʊn.aɪ.zər/

KK: /aɪˈɒn.aɪ.zər/

noun

Definition: A device that changes atoms or molecules into ions by adding or removing charged particles.

Example: The ionizer helps to purify the air by removing pollutants.

ionizing

IPA: /aɪˈoʊnaɪzɪŋ/

KK: /aɪˈoʊnaɪzɪŋ/

adjective

Definition: Able to create charged particles called ions.

Example: The ionizing radiation from the sun can affect our atmosphere.

verb

Definition: To convert an atom or molecule into an ion by adding or removing charged particles, usually electrons.

Example: The process of ionizing the gas allows it to conduct electricity more easily.

ionomer

IPA: /aɪˈɒnəmər/

KK: /aɪˈɒnəmər/

noun

Definition: A type of polymer that contains ionic groups in some of its building blocks, which can affect its properties and behavior.

Example: The ionomer was used in the production of a new type of flexible packaging material.

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