What is the definition of the root photo (photosynthesis, photograph, photocopy)?

What is the definition of the root cent (century, centipede, centennial)?

What is the definition of the root bi (bicycle, biweekly, bisect)?

What is the definition of the root auto (autograph, automobile, autobiography)?

What is the definition of the root audio (audible, audiobook, audition)?

What is the definition of the root bio (biology, biography, biome)?

What is the definition of the root dent (dentist, denture, orthodontist)?

What is the definition of the root nym (antonym, synonym, homonym)?

What is the definition of the root ology (geology, mythology, zoology)?

What is the definition of the root uni (unicorn, unity, unicycle)?

What is the definition of the root multi (multiply, multiple, multimedia)?

What is the definition of the root tri (triangle, tricycle, tripod)?

What is the definition of the root aqua (aquarium, aqueduct, aquamarine)?

What is the definition of the root quad (quarter, quartet, quadruplets)?

What is the definition of the root dec (decimal, decade, decagon)?

What is the definition of the root therm (thermometer, hypothermia, thermos)?

What is the definition of the root sub (submarine, subway, submerge)?

What is the definition of the root ped (pedicure, centipede, pedal)?