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Lesson 19 Affixes. Today we will learn to define words based on what their prefixes mean. Definition of affix = a part of a word stuck at the front or the back to change its meaning Example = wife changes to ex-wife Marine changes to sub-marine.
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Lesson 19 Affixes • Today we will learn to define words based on what their prefixes mean. • Definition of affix = a part of a word stuck at the front or the back to change its meaning • Example = wife changes to ex-wife Marine changes to sub-marine
A prefix goes at the beginning of a word, such as: A suffix goes at the back of a word, such as: Re-charge Un-lock Sub-way Histor-ical Psych-ology Incarcer-ation
Sub- (under) • Substandard • Submarine • Subordinate • Subliminal • Submerge • Submit • Subway • Substitute
Con- (together) • Conference • Convention • Confederation • Conspiracy • Connection • Consistency • Congregation • Concert
-ectomy (removal) • Tonsillectomy • Appendectomy • Lumpectomy • Cystectomy
-ology (study of) • Psychology • Sociology • Biology • Genealogy • Astrology • Cosmetology • Egypttology • Cardiology
Pre- (before) • Pre-game • Premature • Preseason • Predecessor • Prediction • Prearranged • Precaution • Preface
Auto- (self) • Autograph • Autobiography
Sub- • Sub- means UNDER • examples: subway, submarine, substandard
Use your composition book to… • Write the answers, not the questions to, handout packet “Vocabulary Practice 1: Prefixes” • Do not write in the packet
Tonight’s homework is: • Handout worksheet “Prefix Match”