HO - Half O
HO stands for Half O
Here you will find, what does HO stand for in Misc.
Popular queries with answer
How to abbreviate Half O? Half O can be abbreviated as HO What does HO stand for? HO stands for Half O. What does Half O mean? HO or H0 is the most popular scale of model railway in the world.
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Alternative definitions of HO
View 95 other definitions of HO on the main acronym page