Nitrogen is also an essential constituentof all living organisms; for example, the human body contains about 2.
In combined form, as oxides, silicates, and a few other salts, it is both abundant and widely distributed, being an essential constituent of all soils and of most rocks excepting limestone and sandstone.
Animals feeding on these plants assimilate the nitrogenous matter, so that this element is an essential constituent of both plants and animals.
Quartz is an essential constituent of granite, and abounds in rocks of all ages.
It is an essential constituent of granite and many other rocks.
Oxygen is an essential constituent of all living organisms.
The presence of iron as an essential constituent of hemoglobin has already been discussed.
This mineral salt is found to be present as an essential constituent of certain proteins, fats and carbohydrates.
According to Mathews, cholesterol is an essential constituent of the blood, and is found in the brain and in nearly all living tissues.
The Venetians in the preparation of their cristallo laid great stress on the hard white pebbles, the cogoli, from the bed of the Po or of the Ticino; these they regarded as an essential constituent of a good glass.
In these 'fossils' we may, perhaps, recognise the source from which was obtained the lime, an essential constituent of glass.
One of the earliest attempts to ascertain whether there is an essential constituent of all clays was made by Seger (7) who used two methods of separating some of the ingredients of natural clays from the remaining constituents.
Water is an essential constituent of all unburned clays, though the proportion in which it occurs varies within such wide limits that no definite standard can be stated.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "essential constituent" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
