Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
To be equivalent to; to result in.
Used to say that it is not yet certain whether something will happen or be true.
Basic research that aims to improve scientific theories for better understanding of a subject.
To be badly affected by something.
A branch of physics that uses mathematical models and abstractions to understand the nature of subatomic particles, as opposed to experimental physics.
A committee of experts who evaluate research proposals and decide how funding should be allocated.
The path followed by a projectile or, metaphorically, the course of development of a situation or trend.