In which case the construction would be a matter, not of apposition, but of agreement.
I believe that I did not understand what he meant by apposition.
Placing the two nouns in apposition is much the same as using the first as an adjective.
Now the words Roman emperor are said to be in apposition to Csar.
A noun in apposition may come between antecedent and relative, because in such a combination no real ambiguity can arise.
A noun clause may also be used in apposition to a noun to explain its meaning.
You remember that in clauses we found that a clause may be placed in apposition with a noun to explain the meaning of that noun.
With the apposition of cupolas the growing central capsule may form dome-shaped protuberances which enter into the former.
These two areas are brought into apposition by means of a strong suture passed through their centre.
In this he is mistaken; it is so used frequently, as here, in apposition.
"application" (of one thing to another), mid-15c., originally in grammatical sense, from Latin appositionem (nominative appositio), noun of action from past participle stem of apponere "to put to" (see apposite). General sense is from 1540s.
apposition ap·po·si·tion (āp'ə-zĭsh'ən)
The putting in contact of two parts or substances.
The condition of being placed or fitted together.
The growth of successive layers of a cell wall.