I. Determine whether the following are demonstrative definitions, enumerative definitions, definitions by subclass, synonymous definitions, etymological definitions, operational definitions, or definitions by genus and difference.
1. "Plant" means something such as a tree, a flower, a vine, or a cactus.
2. "Hammer" means a tool used for pounding.
3. A triangle is "equilateral" if and only if a compass, when placed sequentially on two vertices and properly adjusted, strikes through the other two vertices.
4. "State" means something such as Ohio, Arkansas, Minnesota, and Tennessee.
5. "Angel" is a word that originates from the Greek word angelos, which means messenger.
6. "Neophyte" means beginner.
7. "House" means this:

8. "Painting" means something like da Vinci's Mona Lisa, van Gogh's Starry Night,
Botticelli's Birth of Venus, or Rembrandt's Night Watch.
9. "Dessert" means something such as pie, cake, cookies, or ice-cream sundaes.
10. "Hot" means, for an electric iron, that your wetted finger sizzles when placed momentarily in contact with it.
11. "Universe" originates from the Latin word universus, which means whole or entire.
12. "Mountain" means something such as Everest, Rainier, Whitney, or McKinley.
13. "Hurricane" means a storm having constant winds of at least 74 miles per hour that originates at sea.
14. A substance is "translucent" if and only if when held up to a strong light some
of the light comes through.
15. "Insect" means something such as a fly, an ant, a wasp, or a caterpillar.
16. "Poignant" is a word derived from the Latin word pungere, which means prick, pierce, or sting.
17. "Facade" means face.
18. "Prime number" means a number greater than one that is divisible only by itself and one.
19. "Language" means something such as French, German, Spanish, or English.
20. "Tree" means this, and this, and this (as you point to several trees).
21. "Oak" means a tree that bears acorns.
22. "Rapier" means sword.
23. An "electric current" flows in a circuit if and only if an ammeter connected in series with the circuit shows a reading.
24. "Philosopher" means someone such as Plato, Aristotle, Descartes, or Kant.
25. "Professional person" means a person such as a doctor, a lawyer, a professor, or an architect.
26. "Error" means mistake.
27. "Tale" is a word that derives from the Old English word talu, which means talk.
28. "Truck" means a vehicle used for hauling.
29. "Done" means, in reference to a baking cake, that a wooden toothpick poked into the center comes out clean.
30. "Musical composition" means something such as a symphony, a concerto, a sonata, or a toccata.