Category: Academic Vocabulary of the Day
paI @ nir
definition 1: someone who explores or goes to live in a place previously unexplored or uninhabited by many of his or her culture.
example: Many of the early pioneers of America traveled in covered wagons over mountainous terrain.
definition 2: a person, organization, or the like that is among the first in anything.
example: The eminent professor was a pioneer in genetic research.
example: The United States and the Soviet Union were pioneers in space exploration.
definition: to make contributions to the beginnings or early development of.
example: She pioneered the study of radioactivity.
definition: to take up, hold, or commit oneself to (a cause, idea, or belief); embrace.
example: He had once espoused communist ideals, but now he rejected them.
example: They espouse the view that the government is not doing enough to protect endangered species.
fluhk chu eIt
definition: to vary or change irregularly; rise and fall.
example: The price of gold continually fluctuates.
example: My appetite fluctuates; some days I’m hungry all the time and other days I don’t feel like eating at all.
In t@ ruhp
definition 1: to cause to stop; break off.
example: Loud banging on the door interrupted the conversation.
example: I’m sorry to interrupt your meeting, but this call is urgent.
definition 2: to break the continuity of (someone) acting or speaking, esp. with a request or remark.
example: A heckler interrupted the politician in the middle of her speech.
example: Please don’t interrupt me when I’m working.
definition: to break the continuity of what someone is doing or saying.
example: I don’t like it when waiters are constantly interrupting during a meal.
ae s@r teIn
definition: to come to know (some information) with complete certainty, especially through a process of investigation; determine.
example: The medical examiner has not yet ascertained the cause of death.
example: Somehow the press ascertained that the prince had plans to marry.
example: The police are trying to ascertain how the thief entered the building.