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Term 1 Roots. Act/Ag. To do, to act. Agent--noun. DEFINITION A person or business authorized to act on another’s behalf. ETYMOLOGY Late 15 th century Latin Agentem “to set in motion, drive”. Agitate--verb. DEFINITION To move or force into violent, irregular action
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Act/Ag To do, to act
Agent--noun DEFINITION A person or business authorized to act on another’s behalf ETYMOLOGY • Late 15th century • Latin • Agentem “to set in motion, drive”
Agitate--verb DEFINITION To move or force into violent, irregular action To shake or move briskly ETYMOLOGY • Latin • Agitare “to put in constant motion, drive”
Interact--verb ETYMOLOGY To act one upon another ETYMOLOGY • 1740-50 • Inter + act
React--verb DEFINITION To act or perform again ETYMOLOGY • Late Latin • Reagere • Re + agere “to drive”
Bio life
Autobiography--noun DEFINTION A history of a person’s life written or told by that person ETYMOLOGY • 1797 • Auto + biography
Biochemistry--noun DEFINITION The science dealing with the chemistry of living matter. ETYMOLOGY • 1880-85 • Bio + chemistry
Biodegradable--adjective DEFINITION Capable of decaying through the action of living organisms ETYMOLOGY • 1960 • Bio + degrade + able
Clud/Clus/Claus To close, to shut
Conclude--verb DEFINITION To bring to an end; finish; terminate ETYMOLOGY • 1300 • from Latin • concludere "to shut up, enclose,"
Reclusive--adjective DEFINITION Shut off or apart from the world Living in seclusion ETYMOLOGY • Late Latin > Old French > Middle English • Recludere • “to shut up”
Seclude--verb DEFINITION To place in or withdraw into solitude Remove from social contact and activity ETYMOLOGY • Latin > Late Middle English • Secludere • “to close”
Claustrophobic--adjective DEFINITION Suffering from claustrophobia ETYMOLOGY 1889 Claustrophobia + ic
Contra/Counter Opposite, against
Contrary--adjective DEFINITION Opposite in nature or character Being the opposite one of two ETYMOLOGY • From Latin • Contrarius “opposite, opposed” • Contra “against”
Counterattack--noun DEFINITION attack made as an offset or reply to another attack ETYMOLOGY 1882 as a noun from counter- + attack Early 19th century it was two words First used as a verb in 1916
Counterpart--noun DEFINITION A person or thing closely resembling another, especially in function A copy; duplicate ETYMOLOGY • 1451 • Old French “contrepartie” • Contre “facing, opposite” • Partie “copy of a person or thing”
Counterpoint--noun DEFINITION Music. The art of combining melodies a melody composed to be combined with another melody ETYMOLOGY • Medieval Latin > Middle French > Middle English • 1400-50 • Medieval Latin • Contrapunctus: song pointed or pricked against
De From, down, away
Deflate--verb DEFINITION To release the air or gas To depress or reduce ETYMOLOGY • 1891 • Latin • Deflare “to blow away” • Modern • De “down”
Demolish--verb DEFINITION To destroy or ruin, especially on purpose To put an end to; destroy; explode ETYMOLOGY • Latin • Demoliri “tear down” • De “down” + moliri “build, construct”
Deodorize--verb DEFINITION To rid of odor, especially unpleasant odor ETYMOLOGY 1855-60 De “down, away” + odor “disagreeable smell” + ize “make”
Descend--verb DEFINITION To go or pass from a higher to a lower place Move or come down ETYMOLOGY • Latin > Old French • Descendere • De “down” + scandere “to climb”