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H
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hutch up
to move closer together to make room
Hutu
An ethnic group primarily in Rwanda and Burundi.
HVAC
Heating, ventilation, and air conditioning system.
HW
An abbreviation for homework.
HWA
a group that promotes health and wellness
hyacinth
A fragrant flower known for its colorful blooms.
hybrid
Made by combining two different things.
hybridization
The process of breeding different plants or animals together.
Hydra
A multi-headed serpent from Greek mythology.
hydrant
A pipe used to access water for firefighting.
hydrate
to add water to something
hydration
the process of providing adequate water.
hydraulic
Operated by the pressure of a fluid.
hydro
Relating to water, often in energy context.
hydrocarbon
A chemical compound made of hydrogen and carbon.
hydrochloric
relating to a strong acid containing chlorine
hydrochloride
A chemical compound formed with hydrochloric acid.
hydroelectric
Generating electricity from flowing water.
hydrogen
A colorless gas that is the simplest element.
hydrogen burning
fusion process producing energy in stars
hydrographic
Related to the study of water bodies.
hydrologic cycle
The movement of water between ground, oceans, and air.
hydrological
Related to the study of water movement.
hydrology
the study of water in the environment.