C73 or C-73 may refer to :
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Boeing C-73, a 1933 military aircraft
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C-73 (Michigan county highway)
The county-designated highways in Michigan comprise a system of primary county roads across the US state of Michigan. Unlike the State Trunkline Highway System, these highways have alphanumeric designations with letters that correspond to one of ...
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Ruy Lopez
The Ruy Lopez (; ), also called the Spanish Opening or Spanish Game, is a chess opening characterised by the moves:
:1. e4 e5
:2. Nf3 Nc6
:3. Bb5
The Ruy Lopez is named after 16th-century Spanish priest Ruy López de Segura. It is one o ...
chess openings ECO code
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Thyroid cancer
Thyroid cancer is cancer that develops from the tissues of the thyroid gland. It is a disease in which cells grow abnormally and have the potential to spread to other parts of the body. Symptoms can include swelling or a lump in the neck. C ...
ICD-10 code
* Caldwell 73 (
NGC 1851
NGC 1851 (also known as Caldwell 73) is a relatively massive globular cluster located in the southern constellation of Columba. Astronomer John Dreyer described it as not very bright but very large, round, well resolved, and clearly consisting of ...
), a globular cluster in the constellation Columba
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