Concentration of one's efforts in a given occupation or field of study. (noun)
A field of specialization. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "specialism" in a sentence
"My coaching specialism is law of attraction/manifestation/power of meditation and something I refer to as 100% intention/100% surrender."
"The loss of monopolies of knowledge and specialism is recorded in many fun books, like Parkinson's Law and The Peter Principle and One-up-man-ship."
"Some four-year courses that lead to a master's qualification will offer two years of general study followed by two in a specialism, which is ideal for those torn between, say, civil and electrical engineering."