C-1
C Symbols and Terminology
C.1 Symbols
Symbol Description
- minus
% percent
/ per;divide;or
≈ about
~ to
^ power
+
plus
= equal to
< less than
> greater than
≤ less than or equal to
≥ greater than or equal to
± plus or minus
× multiply
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C.2 Terminology
Terminology Description
Air Medical compressed air
N
2
O Medical nitrous oxide
O
2
Medical oxygen
TM Trademark
® Registered trademark
Vo l . %
Percentage by volume of anesthetic agent in fresh gas at outlet. Unit of output
concentration.
% Percentage
%rel Relative deviation from value in %
℃ Degree Celsius, unit of temperature