Question

An acorn could grow into an oak in the amount of time it takes

that woman to get ready to go out.

Meaning:

Answer 1

It takes women an exorbitantly long time to get ready.

Step-by-step explanation:

That is the way I interpert the phrase. If it is refering to a specific work and is in refrence to something else, let me know and I can rephrase my answer.

Answer 2

Below

Step-by-step explanation:

This sentence basically means that women take a long time to get ready; like an acorn takes a long time to grow. Both take long periods of time.