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Exam: TOEFL

micromorphology

IPA: /ˌmaɪkroʊmɔˈfɔlədʒi/

KK: /maɪkroʊmɔrˈfɑlədʒi/

noun

Definition: The study of very small structures in organisms, minerals, or soil that can be seen with a microscope.

Example: Researchers used micromorphology to examine the tiny details of the soil's composition.

micron

IPA: /ˈmaɪkrɒn/

KK: /maɪˈkrɒn/

noun

Definition: A very small unit of measurement that is equal to one millionth of a meter.

Example: The thickness of a human hair is about 70 microns.

micronucleus

IPA: /ˌmaɪ.kroʊˈnjuː.kli.əs/

KK: /maɪkroʊˈnjuːkliəs/

noun

Definition: A very small nucleus found in certain single-celled organisms that plays a role in reproduction and contains genetic material.

Example: The ciliate protozoan has a micronucleus that is essential for its reproductive process.

micronutrient

IPA: //ˌmaɪ.kroʊˈnjuː.tri.ənt//

KK: /maɪkroʊˈnjuːtrɪənt/

noun

Definition: A type of substance, like a vitamin or mineral, that is needed in very small amounts for the healthy growth and functioning of living things.

Example: Eating a balanced diet ensures you get enough micronutrients for your health.

microorganism

IPA: /ˌmaɪkrəʊˈɔːɡənɪzəm/

KK: /maɪkroʊˈɔrɡənɪzəm/

noun

Definition: A tiny living thing that can only be seen with a microscope, such as bacteria or protozoa.

Example: Microorganisms play a crucial role in the ecosystem by breaking down organic matter.

microparticle

IPA: //ˈmaɪkroʊˌpɑrtɪkl//

KK: /ˈmaɪkroʊˌpɑrtɪkl/

noun

Definition: A very tiny piece of matter that is smaller than a particle that can be seen with the naked eye.

Example: Scientists are studying the effects of microparticles on human health.

microphage

IPA: //ˈmaɪkrəfeɪdʒ//

KK: /maɪˈkrɒfeɪdʒ/

noun

Definition: A type of small cell in the body that can engulf and digest foreign particles, such as bacteria and dead cells.

Example: Microphages play an important role in the immune system by helping to clear infections.

microphone

IPA: /ˈmaɪ.kɹəˌfoʊn/

KK: /ˈmaɪkrəˌfoʊn/

noun

Definition: A device that captures sound and converts it into an electrical signal, often used for recording or amplifying sound.

Example: She spoke into the microphone during the presentation.

microphonic

IPA: //maɪˈkrɒfɪk//

KK: /maɪˈkrɒfɪk/

adjective

Definition: Relating to a microphone or its function, especially in amplifying faint sounds.

Example: The microphonic effect made the quietest whispers audible in the recording.

microphysics

IPA: //maɪkroʊˈfɪzɪks//

KK: /maɪkroʊˈfɪzɪks/

noun

Definition: The branch of physics that studies very small particles like atoms and molecules, as well as their interactions.

Example: Microphysics helps us understand the behavior of particles at the atomic level.

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