Sulphuretted hydrogen is a noxious impurity, and its complete removal from the gas is usually imposed by parliament.
This change, which is called eosinophilia, indicates the production of a noxious substance in the blood.
Muller to include cases of mutual resemblance between two or more noxious species inhabiting the same area.
Poisonous or noxious animals usually have some special advertising attribute, sometimes the display of conspicuous coloration, as in the skunk; sometimes the emission of sound as in the rattlesnake; sometimes a combination of the two, as in the common porcupine and the large black scorpions of Africa and India.
The system possessed the advantages of rapidity, being completed in about ten hours, and freedom from any noxious odour; but it yielded only a harsh, ill-spinning fibre, and consequently failed to meet the sanguine expectations of its promoters.