What does IO stand for?

Ionium (Thorium Isotope)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Internal Order Internal Organ International Officer International Organization Interoperability Objective Intraosseous Inventory Objective Investigating Officer (law enforcement) InvestOne (software) iodine monoxide		Iowa (old style) Isomerized Olefin Indian Ocean Facsimile Broadcast International Organizations and Programs Indian Ocean Global Ocean Observing System Individually Optimum Multi-User Detector Instytut Oceanologii Polskiej Akademii Nauk (Polish: Institute of Oceanology, Polish Academy of Sciences; Sopot, Poland) Instant-On Input-Output Information Outlook 2000 Conference (Australian Computer Society, Canberra Branch) Immediate Origination Approach

Samples in periodicals archive:

Our special grades of additives based on silver ionium perform a more con trolled migration compared to traditional offerings," opined Grazia Iannacito, director of R&D, additives at Viba Group.

Antimicrobials to the rescue: additives boost the power of nonwovens ...

22 Which chemical element has an isotope also known as ionium, because it was originally thought to be a separate element?

POST PUZZLER: 50 for fun; Phil Brown's trivia quiz

Qualiter undas Qui secat et geminum gracilis mare separate Isthmos Nec patitur conferre fretum, si terra recedat, Ionium Aegaeo frangat mare.

Samuel Daniel's gifts of books to Lord Chancellor Egerton