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Wordswarms From Years Past


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Adjacent Words

active communications satellite
active defense
active duty
active duty for special work
active duty for training
Active Guard and Reserve
active homing guidance
Active hyperaemia
active immunity
active material
active matrix screen
active mine
active placebo
active sealift forces
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active trust
Active valeric acid
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Active wealth
active-matrix
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activewear
activism
activist
activistic

active site definitions

WordNet (r) 3.0 (2005)

n
1: the part of an enzyme or antibody where the chemical reaction occurs

Merriam Webster's

noun Date: 1957 a region on the surface of an enzyme whose shape permits binding only of a specific molecular substrate that then undergoes catalysis



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