n. pl. ar·ma·men·tar·i·ums or ar·ma·men·tar·i·a (-ē-ə)
1. The complete equipment of a physician or medical institution, including books, supplies, and instruments.
2. The complete range of materials available or used for a task.
[Latin armāmentārium, arsenal, from armāmenta, tools; see ARMAMENT.]
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Indo-European & Semitic Roots Appendices
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