1
affecting only the skin or the surface of something
2
made free of germs
3
to free from blame
4
to decay
5
a special method or way of doing something
6
information and facts that help to prove something
7
a careful study of something in order to better understand it
8
existing inside someone
9
to use something effectively
10
to take or pull something out
11
to be made of or formed from something
12
exact and correct in every detail
13
a severe injury
14
to find out whether a fact or statement is correct or true
15
a/an explanation for something that may be reasonable but has not yet been proven to be true
