different; clearly distinguishable from others
Each culture has distinct traditions and customs.
Vocabulary like distinct appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
thesis; a treatise advancing a new point of view resulting from research
protester; a person who dissents from some established policy
disappear slowly; to cause to separate and go in different directions
separation; separation into component parts
lack of harmony; a conflict of people's opinions or actions or characters
deter; turn away from by persuasion
dilate; become wider
purify; remove impurities from, increase the concentration of, and separate