Prefixes and suffixes give a new meaning to already existing words. Below, there are three prefixes which are commonly used:
MONO- meaning one
monochrome - a painting, drawing, photograph in a single color (monochromatic)
monologue - a long speech delivered by one person
monopoly - complete ontrol over the goods or services of an entire market
monoxide - an oxide containing only one oxygen atom in the molecule
SEMI- meaning half
semi-annually - occuring twice a year
semi-detached - about a house joined to another one on one side, having one shared wall
semicircle - half a circle
BI- meaing two/twice
bicycle - a vehicle with two wheels
biennial - happening every two years
bilingual - able to speak two different language
biped - a two-footed creature (e.g. humans)
Test yourself, choose the correct prefix mono/semi/bi:
1. Canada and the USA signed ......lateral agreement.
2. She gave a ......logue, nobody wanted to talk to her.
3. This industry suffers from a shortage of ....-skilled workers.
4. Christianity, Islam and Judaism are the main ......theistic religions.
5. Having a Greek father and Italian mother, he grew up ......lingual.
The answers are below.
1. bilateral 2. monologue 3. semi-skilled 4. monotheistic 5. bilingual
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