They are easily nitrated and sulphurated; mono, di, and tri derivatives are readily prepared, according to the strength of the acids used.
The preparation of the nitro derivatives of the hydrocarbons of the benzene series is very simple.
This and the following are put as derivatives from the Herakleitean theory (p.
We must remember that nearly all Grecian proper names had some meaning: being compounds or derivativesfrom appellative nouns.
The lymphoid cells and concentric corpuscles are probably thederivatives of the original cells lining the diverticulum.
Some of those named here dye the animal fibres, even without mordants; some are Direct Colours possessing mordant-dyeing properties, others are sulphonic acid derivatives of Alizarin Colours, suitable for wool but not for cotton.
All the other materials that we find in the living organism are products or derivatives of the active plasm.
They consist sometimes of fat, sometimes of derivatives of albumin, sometimes of other substances of which we do not know the chemical composition.
The exceptional cases are chiefly derivatives from the Greek, and a study of the Greek prefixes will often give us a hint in regard to the spelling of words containing y.
In simple derivatives a single final consonant following a single vowel in a syllable that receives an accent is doubled when another syllable beginning with a vowel is added.
We have already seen that y is not changed in derivatives when it is preceded by another vowel, as in the case of joyful, etc.
Derivatives from adjectives ending in y do not change y to i, and we have shyly, shyness, slyly, etc.
Words that end in silent e usually drop the e in derivatives or before a suffix beginning with a vowel.
Thus the color of the light varies among different santonin derivatives from yellow to green.
This solution contains some protein or protein derivatives as it gives a very faint Millon reaction, a good positive ninhydrin test, reddish blue in color, but no biuret reaction.
A similar but more energetic action is exerted by the ethyl and allyl derivatives; the iodyallyl derivatives are strong poisons.
Compounds which contain two amido groups combined with one and the same carbon atom, do not yield benzoyl derivatives when shaken with benzoyl chloride and soda.
The derivatives of the pyridene series are also active.
Independent species are now and then springing up where derivatives should be looked for, while derivatives are everywhere disappearing in non-derivatives.
Derivatives are also formed by the addition of prefixes.
The spelling lessons for Monday, Tuesday, Wednesday and Thursday, contain words from which derivatives can be formed by adding er or or.
The root kol is common to all the Teutonic nations, while in French and other Romance languages derivatives of the Latin carbo are used, e.
These substances, which may be collectively termed "cocaines," are all derivatives of ecgonine (q.
Legerella) nova, if anywhere); and in addition, the word Coccidium and its important derivatives are now so universally established that it would be little short of ridiculous to displace them.
The proportion of formaldehyde to phenol used led Steasny to conclude that the resulting products were diphenyl-methane derivativeswhich polymerize to form molecules of considerable size.
It is clear that the factors that direct the development of a wood frog's egg so that it becomes a wood-frog and not a tree-toad must lie in the egg itself, as derivatives from the two parent organisms.
Indeed spiders and scorpions and their relatives of the group arachnida prove for similar reasons to be derivatives of the same original stock, and own cousins of the insects.
Just as whales as a group are derivable from forms which resemble types belonging to another order, so snakes as an order are to be regarded as more radically altered derivatives of some four-footed lizardlike creature.
The grotesque skate and hammerhead shark were demonstrated to be derivatives of a simpler type of shark; their embryos are practically indistinguishable from those of ordinary dogfish and sharks.
For the purpose of comparing the crystalline forms of isomorphous and morphotropic substances it is usual to quote the angles or the axial ratios of the crystal, as in the table of benzene derivatives quoted above.
The primitive Latin forms given are often not classical Latin words, but derivatives from these; and reference is generally made to the Middle English (Chaucerian) pronunciation of English words, not the modern.
The fundamental part of the vocabulary of French is the Latin imported into Gaul, the French words being simply the Latin words themselves, with the natural changes undergone by all living speech, or derivatives formed at various dates.
Derivatives of the stem bear the additional ideas of staining and impurity.
Is it philosophical to point to the fact that two such transmutable elements yield but a single line of derivatives as proof that they are one element?
The entoderm forms the epithelial lining of the interior of the alimentary canal and its appendages and derivatives (Fig.
We can consider the derivatives of each form separately.
These are derivatives of the hypoblastic cells of the larger ducts and may from the beginning be hollow, possessing a lumen continuous with that of the parent duct (Selachians, Amphibians).
All others appear as secondaryderivatives from this typical early condition.
In general they are diazo and sulphonic acid derivatives of benzene and naphthol.
The derivatives coined one time and another from the Greek molybdos for lead, and their applications, have resulted in a stream of wasted ink, to which we also must contribute.
However, the pursuit of the subject through etymology ends here, for no derivatives in German can be found for buddle, tye, strake, or other collateral terms.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "derivatives" in a variety of sentences. We hope that you will now be able to make sentences using this word.
