You searched for: “hone
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home (HOHM) (noun)
A dwelling place together with the family or social unit that occupies it; a household: Hana made a good home for her husband and children.
home (HOHM) (verb)
To find and to move directly toward someone or something: The medical researcher is trying to home in on the cause of the disease.

Website designers and innovators often mock up multiple designs and test them quickly; then they repeat the process until they home in on the design that seems to be most popular.

hone (HOHn) (noun)
A stone, frequently of fine grain, for filing or whetting tools used for cutting: The red hone was perfect for sharpening the kitchen knives.
hone (HOHn) (verb)
To sharpen or to make intense and effective: Chad tried to hone his speaking skills by practicing every day.

As the scientists started to home in on a solution, they felt as if they had used a hone on their brains which were so tired. When they announced the solution, they cheered and then all of them went home to rest.