HO scale

noun
\(ˈ)ā-ˈchō- \

Definition of HO scale 

: a scale of 3.5 millimeters to one foot used especially for model toys (such as automobiles or trains)

First Known Use of HO scale

1939, in the meaning defined above

History and Etymology for HO scale

half + O (gauge)

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Dictionary Entries near HO scale

Hos

Hosackia

hosanna

HO scale

hose

Hosea

hosebird

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Time Traveler for HO scale

The first known use of HO scale was in 1939

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