located above your head or in the sky

the act of sliding two objects against each other

living or growing naturally in an area, not brought from somewhere else

not official; not done by the rules

a 3D shape with a circular base; a part of the eye

not connected to the main or important part of something

Not likely to change; clearly decided

going back; in statistics: a type of correlational procedure that focuses on predicting the values of an outcome based on its correlation with another variable.

not standard or normal; in statistics: the difference between one of a set of values and some fixed value, usually the mean of the set.

a way to put (inject) a drug or another substance into your body