orbital index

English

Noun

orbital index (plural orbital indexes or orbital indices)

  1. (anatomy) In the skull, the ratio of the vertical height to the transverse width of the orbit, which is taken as the standard, equal to 100.
    Synonym: OI

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “orbital index”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)

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