artillery [big guns] Artillery destroyed most of the buildings in the town.
as [(1) equally; (2) when; (3) while] The wild fire spread as fast as the wind behind it. (1) As he heard the gunshot, he looked at his watch and saw it was almost five o'clock. (2) He watched the animal as it ran across the field. (3)
ash [the part left after something burns] Only ashes were left when the fire passed.
ask [(1) to question; (2) to say something is wanted] We ask the teacher questions every day. (1) The candidate asked the people for their votes. (2)
assist [to help] The doctor asked the medical student to assist him.
astronaut [a person who travels in space] Astronaut Neil Armstrong was the first man to walk on the moon.
astronomy [the scientific study of stars and the universe] I study astronomy because I like to look at stars.
asylum [political protection given by a government to a person from another country] The refugee asked for political asylum.
at [(1) in or near; (2) where; (3) when] She saw the bear at the edge of the forest. (1) Look at the bear. (2) We must go home at noon. (3)
atmosphere [the gases surrounding any star or planet] The atmosphere of Venus is mostly water and carbon dioxide.
attach [(1) to tie together; (2) to connect] Please attach this name card to your coat. (1) He attached himself to our group. (2)
attack [(1) a violent attempt to damage, injure or kill; (2) to start a fight] The war started with a rebel attack on government troops at Charleston, South Carolina. (1) Several men attacked him on the street. (2)
attempt [(1) to work toward something; (2) to try; (3) to make an effort] He attempted to change his life one step at a time. (1) Do not attempt to drive through the flood waters. (2) You will never write your book if you do not attempt it. (3)
attend [to be present at] The president will attend the meeting.
automobile [(1) a vehicle with wheels used to carry people; (2) a car] Is a bus an automobile? (1) Who invented the automobile? (2)
