Prefixes

    Their Meanings and some Examples

    Here are a few more prefixes. Some of them are less common than the ones that we've looked at previously.

    PREFIX MEANING EXAMPLES
    semi- half semicircle, semiconscious
    bi- two or twice biannual, biweekly
    tri- three triangle, triathlon
    multi- many multilingual, multimillionaire
    mono- one or single monorail, monoplane
    micro- very small microscope, microchip
    ultra- extreme ultrasound, ultrabasic  
    hyper- too much hypersensitive, hypercritical
    extra- outside, or beyond extraordinary, extrasensory

    If you're not sure about the meaning of any of these words
    be sure to look them up in a dictionary.

    Now memorize the focus words and test yourself on them

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Focus words

semicircle
bilingual
triangular
multipurpose
monocycle
microclimate
ultrasonic
hypercritical
subcontractor
extracurricular