📒 the act of increasing the area of activity, group of people, etc. that is affected by something
📒 a new room or rooms that are added to a house
📒 a new part that is added to a building
📒 an extra period of time allowed for something
📒 an extra phone line connected to a central phone in a house or to a switchboard in a large building. In a large building, each extension usually has its own number.
📒 the act of making something longer or larger; the thing that is made longer and larger
📒 pieces of artificial hair that are added to somebody's own hair to make it longer
📒 a part of a college or university that offers courses to students who are not studying full-time; a programme of study for these students
📒 the set of three letters that are placed after the dot (= small round mark) at the end of the name of a file and that show what type of file it is
📒 an extra length of electric wire, used when the wire on an electrical device is not long enough
📒 taking the argument or situation one stage further