Vocabulary Words
assure
B2verb
(followed by that or of) To give (someone) confidence in the trustworthiness of (something). (+3 more)
astronaut
A2noun
A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose. (+1 more)
at
A1noun, preposition, pronoun, verb
(indicating time) Indicating occurrence in an instant of time or a period of time relatively short in context or from the speaker's perspective. (+16 more)
athlete
A2noun
A participant in a group of sporting activities which includes track and field, road running, cross country running and racewalking. (+3 more)
athletic
B1adjective
An attribute of a motion or play which requires fine physical ability. (+3 more)
athletics
B2noun
(especially Britain) A group of sporting activities including track and field, road running, cross country and racewalking. (+1 more)
atom
A2noun
(history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter. (+13 more)
atomic
B1adjective, noun
(of a commit in a VCS) Containing a single change, as opposed to involving numerous unrelated changes. (+8 more)
attack
A2noun, verb
(audio) The amount of time it takes for the volume of an audio signal to go from zero to maximum level (e.g. an audio waveform representing a snare drum hit would feature a very fast attack, whereas that of a wave washing to shore would feature a slow attack). (+24 more)