[d3 i:alad3 i] n.
Geology is the study of the Earth’s natural structures and how they change. —► Because he studied geology, he knew how the mountains were formed.
[ha ;mis] v.
To harness something means to control and use it, usually to make energy. -*■ The sails harness the wind in order to move.
An intellect is a person’s ability to understand things easily. —»She was known for her quick and strong intellect as well as her beauty. k e e n [ki:n] adj.
If someone is keen, they are intelligent. —> Only the keenest of students could have solved that math problem.
Mythology is a group of stories from a particular country or region. —►Egyptian mythology was the basis for a religion.
[fizialad3 i] n.
Physiology is the study of the various parts of living things. - » His work in physiology helped him understand how the human body works.
If something is radioactive, then it lets out, or is related to, radiation. —►Radioactive materials can be very bad for anyone’s health.
Relativity is a set of ideas about time and space developed by Albert Einstein. —*Relativity teaches that light travels at the same speed in the universe.
[sousialad 3 i] n.
Sociology is the study of human society, its organizations, and problems. —►Sociology teaches that people’s problems are a result of their society.
If something is theoretical, it is based on theory rather than experience. -* His conclusion was only theoretical and not meant to be publicized.
Published on May 18, 2015
4000 Essential English Words is a six-book series that is designed to focus on practical high-frequency words to enhance the vocabulary of l...