Select the correct spelling. penetrable penetrible

Penetrable

Explanation:

"Penetrable" is the adjective form of the word "Penetrate".

"Penetrate" has about three different meanings depending on the context. These are:

1. to go/move into or through (something), and this can usually be with force or effort. For example, you can say, "the bullet did not penetrate John's brain."

2. to investigate or examine something with the of understanding it. For example, you can say, "It not easy  penetrate John's mind."  

3. to gain access to a system, an institution, or place despite it is difficult to achieve it. For example, you can say, "The highly secured house has been penetrated by a spy."

Consequently, when you say something is penetrable, it implies that it can be penetrated. That is, someone can go/move into or through it, investigate or examine something with the of understanding it, or gain access to it.

The examples above can be replicated for penetrable as follows:

1. John's brain was not penetrable for the bullet.

2. John's mind is not penetrable.

3. The highly secured house is now penetrable.

However, there is no word like penetrible.

a) madame podtochina used witchcraft to make it disappear.

demonstrative would be the answer.