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Exam: TOEFL

hydrography

IPA: /haɪˈdrɒɡrəfi/

KK: /haɪˈdrɒɡrəfi/

noun

Definition: The study and mapping of bodies of water, including their characteristics and distribution.

Example: Hydrography is essential for understanding the geography of lakes and rivers.

hydroid

IPA: /haɪˈdrɔɪd/

KK: /haɪˈdrɔɪd/

adjective

Definition: Relating to or resembling a type of small aquatic animal that is part of the class Hydrozoa, often found in marine environments.

Example: The hydroid species displayed unique characteristics that fascinated marine biologists.

noun

Definition: A type of small sea creature that lives in colonies and has a polyp form, which is the main stage of its life cycle, rather than a jellyfish form.

Example: The hydroid colony swayed gently in the ocean currents.

hydrokinetic

IPA: /ˌhaɪdroʊkɪˈnɛtɪk/

KK: /haɪdroʊkɪˈnɛtɪk/

adjective

Definition: Relating to the energy and movement of fluids, especially water.

Example: The hydrokinetic energy from the river can be harnessed to generate electricity.

hydrolase

IPA: /ˈhaɪdrəˌleɪz/

KK: /haɪˈdrəʊleɪz/

noun

Definition: A type of enzyme that helps break down substances by adding water, which causes a chemical reaction called hydrolysis.

Example: Hydrolases play a crucial role in digestion by breaking down complex molecules into simpler ones.

hydrologic

IPA: /haɪˈdrɒlədʒɪk/

KK: /haɪˈdrɒlədʒɪk/

adjective

Definition: Related to the study of water and its movement, distribution, and properties in the environment.

Example: The hydrologic cycle describes how water moves through the atmosphere, land, and oceans.

hydrological

IPA: /haɪˈdrɒlədʒɪkəl/

KK: /haɪˈdrɑlədʒɪkəl/

adjective

Definition: Related to the study of water and its movement, distribution, and properties in the environment.

Example: The hydrological cycle describes how water moves through the atmosphere, land, and oceans.

hydrologically

IPA: /haɪˈdrɒlədʒɪkli/

KK: /haɪˈdrɑlədʒɪkli/

adverb

Definition: In a way that relates to the study of water and its movement on Earth.

Example: The river flows hydrologically, affecting the surrounding ecosystem.

hydrologist

IPA: /haɪˈdrɒlədʒɪst/

KK: /haɪˈdrɒlədʒɪst/

noun

Definition: A person who studies water, its movement, distribution, and properties in the environment.

Example: The hydrologist conducted research to understand the effects of climate change on local water sources.

hydrology

IPA: /haɪˈdrɒlədʒi/

KK: /haɪˈdrɑlədʒi/

noun

Definition: The study of how water moves and is distributed on Earth, including its properties and circulation in the ground and atmosphere.

Example: Hydrology is essential for managing water resources and understanding environmental changes.

hydrolysate

IPA: /haɪˈdrɒlɪseɪt/

KK: /haɪˈdrɒlɪseɪt/

noun

Definition: A substance that is created when a compound is broken down into smaller parts through a chemical process involving water.

Example: The hydrolysate was used in the experiment to analyze its components.

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