study と learn の違い

study と learn
どちらも勉強するですが、英語ではニュアンスが少し違うようです。

http://dictionary.reference.com
より抜粋です。

study 
[noun]
1. application of the mind to the acquisition of knowledge, as by reading, investigation, or reflection: long hours of study.
2. the cultivation of a particular branch of learning, science, or art: the study of law.
3. Often, studies. a personal effort to gain knowledge: to pursue one's studies.
4. something studied or to be studied: Balzac's study was human nature.
5. research or a detailed examination and analysis of a subject, phenomenon, etc.: She made a study of the transistor market for her firm.

[vreb]
1. to apply oneself to the acquisition of knowledge, as by reading, investigation, or practice.
2. to apply oneself; endeavor.
3. to think deeply, reflect, or consider.
4. to take a course of study, as at a college.

learn 
[vreb]
1. to acquire knowledge of or skill in by study, instruction, or experience: to learn French; to learn to ski.
2. to become informed of or acquainted with; ascertain: to learn the truth.
3. to memorize: He learned the poem so he could recite it at the dinner.
4. to gain (a habit, mannerism, etc.) by experience, exposure to example, or the like; acquire: She learned patience from her father.
5. (of a device or machine, especially a computer) to perform an analogue of human learning with artificial intelligence.


より、考えると、

study は、 名詞と動詞であり、 learn は、動詞

study の勉強は、自分で勉強する、個人でする自習の意味が強い。
learn の勉強は、studyも含むが、先生の指示や経験から学ぶことも含み意味が広い。