OPTIONAL
\ˈɒpʃənə͡l], \ˈɒpʃənəl], \ˈɒ_p_ʃ_ə_n_əl]\
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By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
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OPTIONALLY.
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Depending on choice; elective.
By James Champlin Fernald
Word of the day
Mustagh Range
- a mountain range in northern Kashmir; an extension of the Hindu Kush; contains 2nd highest peak