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A hydrated hydrogen ion, H3O+. Also called hydronium ion.

References in periodicals archive ?
The aim of this tender for Foundation H3O is to remain self-insured for legal WGA benefits and risks of this whole transfer to a private insurer through the conclusion of a contract with one party for insurance against civil WGA benefits ( WGA own risk insurance) to (former) members of staff, including expert support for reintegration of sick and / or WGA-ers.
Kris Sharbaugh H3O Communications for Hipmunk 415-519-6526 kris@h3ocommunications.
According to them, an interchange between the Ca+2 ions in material and the H3O + the body fluid results in the formation of (Si-OH) group on the materials surfaces which in turn induce the apatite nucleation.
Outrigger Hotels anti Resorts ('98-00); Editorial Assistant, H3O magazine ('97-98); Staff writer, The Mirror ('94-96) CLUBS Hawaii Island Chamber of Commerce
Contract notice: Wga eigenrisicodragerverzekering receivers for h3o foundation.
Not quite sure of what she wanted to do after graduating, Jonelle took jobs as a waitress and working for Reid at H3O while pondering her future.