Lesson 4

PREFIXES

The prefix dis- means "not" or "apart". This prefix appears in such words as disapprove or distinguish.

The prefixes e- or ex- mean "out of" or "beyond". We see this prefix in such words as exit or extreme.

The prefix equi- means "equal". One example of its use is the word equality.

ROOTS

The root fin means "end". We see this in such words as final or finish.

The root terra means "earth" or "land". It appears in the word terrain.

Exercise

Instructions: Using what you know about these roots and affixes and the context, determine the meaning of the following bold-faced words.

My friend is an xterra😄 You should know both Ex- and -Terra-. dirt bike racer.
The image that the math teacher put on the board is an example of an equilateral😄 A lateral pass is not a forward pass. triangle.
The universe is expanding and may well be infinite😄 The prefix, in-, means "not"..
They were a disparate😄 The clue is in "cross section". group of people who represented a cross section of the city.
Indeed there are numerous UFO sightings, but this alone does not indicate that the earth has been the site of extraterrestrial😄 Why is ET an alien? visits.
Len parked his car in the subterranean😄 Have you ever been on a subway? parking lot and then took the elevator up to the third floor.
The exterminator😄 It helps to know that "terminate" means "end". sprayed the exterior😄 "Interior" is the "inside", right? of the house with pesticide to kill the termites that had infested the home.
When Frida wore a man's suit, we could not distinguish😄 It's hard to distinguish identical twins. if she was a man or a woman.
Are Fatburger and Chipotle equidistant😄 = from our school?
California manages emissions😄 How do cars produce SMOG? by requiring periodic SMOG checks.