SUUNTO DX - Manual (Page 133)

Surface interval time
Elapsed time between surfacing from a dive and beginning a descent for
the subsequent repetitive dive.
Tissue group
Theoretical concept used to model bodily tissues for the construction of
decompression tables or calculations.
Trimix
A breathing gas mix of helium, oxygen and nitrogen.
UHMS
Abbreviation for Undersea and Hyperbaric Medical Society.
Whole-body toxicity
Another form of oxygen toxicity, which is caused by prolonged exposure
to high oxygen partial pressures. The most common symptoms are irrita-
tion in the lungs, a burning sensation in the chest, coughing and reduction
of the vital capacity. Also called Pulmonary Oxygen Toxicity. See also
OTU.
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