noun
Technical term used in chemistry to describe a straight-chain isomer or a standard concentration, as in 'normal hexane'. Not used for everyday 'normal'.
from German Normal
ノルマルヘキサンは直鎖状の炭化水素です。
Normal hexane is a straight-chain hydrocarbon.
この実験ではノルマル溶液を使用します。
In this experiment, we use a normal solution.