Bad sentence-length definitions

For each of the following examples, think about (a) in what context the term might require definition; (b) how the definition itself could be improved.

  1. A GMO is a genetically modified organism.
  2. A thermometer measures temperature.
  3. A thermocouple measures temperature.
  4. A strike is when workers stop working.
  5. A weed is any plant growing where it shouldn't.
  6. Networking is when you connect up computers or people.

(Exercise adapted from Mike Markel, Technical Communication)