Prefixes are attached to the beginning of words to modify their meaning. Prefixes can indicate size, quantity, position, or location. Examples of prefixes and their meanings include "hyper-" meaning excessive, "peri-" meaning around or surrounding, and "bi-" meaning two. Prefixes are used to build words from word roots and change their definition.
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1. Prefixes
Prefix
•Prefixes are attached to the beginning of words.
•Modifies the meaning of the word or word root.
•Indicates size, quantity, position of, and location.
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2. Examples
• HYPERTENSIVE – HYPER/TENSIVE
Prefix that means
excessive
• PERICARDIAL – PERI/CARDIAL
Prefix that means
around, surrounding
3. Apply Your Knowledge
Using prefixes, match the meanings.
Meaning Term
•Excessive or increased Hyper-
•Deficient or decreased
Hypo-
•Two
Bi-
•Around or surrounding
•Many Peri-
Poly-
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