Term What it means
Ascent time
The minimum amount of time needed to reach
the surface on a decompression stop dive.
Ceiling
On a decompression stop dive, the shallowest
depth to which a diver may ascend based on
computed inert gas load.
CNS
Central nervous system toxicity. Toxicity is caused
by oxygen. Can cause a variety of neurological
symptoms. The most important of which is an
epileptic-like convulsion which can cause a diver
to drown.
CNS% Central nervous system toxicity limit fraction.
Compartment See "Tissue group".
DM5
Suunto DM5 with Movescount, a software for
managing your dives.
Decompression
Time spent at a decompression stop, or range,
before surfacing, to allow absorbed nitrogen to
escape naturally from tissues.
Decompression
range
On a decompression stop dive, the depth range
between the floor and the ceiling within which a
diver must stop for some time during ascent.
DCS
Decompression sickness/illness. Any of a variety
of maladies resulting either directly or indirectly
from the formation of nitrogen bubbles in tissues
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