bio - It means life, hyper - It's a Greek root that means supercritical, above, beyond & excessively (It's often used to precede medical disorders. (e.g. -tension) , mega - It means vast, great, large. It's also the initial element in units of measure that are equal to one million of the units denoted by the base word. (e.g.-hertz), micro - It means very small, tiny, etc., semi - It means partial, incomplete & to some extend., ultra - It' a Latin root that means beyond the range or limits, beyond what is ordinary, proper, or moderate. It's a prefix occurring originally in loanwords from Latin (e.g. -violet), nano - It's a unit prefix meaning "one billionth". Used primarily with the metric system. (e.g. -meter),

Life upper intermediate Unit 3 prefixes Part 1

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