AWL 4. Words 21-30

someone’s opinions or feelings about something, especially as shown by their behaviour

a system of words, numbers, or signs used for sending secret messages. To put a message into code is to encode it, and to translate it back from code is to decode it

a group of numbers that represent facts or that describe a situation

lines that are parallel are the same distance apart at every point along their whole length

happening or coming after something else

relating to work that needs special skills and qualifications

a noticeable difference between people or things

to solve a problem, or to find a satisfactory way of dealing with a disagreement

happening, existing, or done before a particular time

used for introducing something that is a result of the fact that has just been stated