| No. | Item | Definition |
|---|---|---|
| 1. | actuator | A part that causes movement. |
| 2. | appendage | A projecting attached part. |
| 3. | arm | A projecting part or section. |
| 4. | aspect | One side or part considered. |
| 5. | assembly | A group of fitted parts. |
| 6. | attachment | A part added to something. |
| 7. | axle | A rod supporting rotating wheels. |
| 8. | bar | A long rigid part. |
| 9. | basic part | A simple foundational part. |
| 10. | beam | A long supporting part. |
| 11. | bit | A small piece or part. |
| 12. | bolt | A metal fastening part. |
| 13. | bracket | A supporting part or fitting. |
| 14. | building block | A basic part used to build. |
| 15. | button | A small control part. |
| 16. | capacitor | A part storing electrical charge. |
| 17. | cell | A small basic unit. |
| 18. | chunk | A substantial piece of something. |
| 19. | clamp | A part that grips tightly. |
| 20. | cog | A toothed wheel part. |
| 21. | connector | A part that joins others. |
| 22. | constituent | A forming part of something. |
| 23. | core element | A central important part. |
| 24. | coupling | A part linking two pieces. |
| 25. | diode | A part allowing one-way current. |
| 26. | division | A separated part of something. |
| 27. | drive | A part transmitting power. |
| 28. | element | A basic part of something. |
| 29. | essential part | A necessary part of something. |
| 30. | facet | A particular aspect or side. |
| 31. | factor | A contributing element in a result. |
| 32. | fastener | A part that holds things together. |
| 33. | feature | A noticeable part or aspect. |
| 34. | fitting | A small part attached to something. |
| 35. | fixture | A fixed part or fitting. |
| 36. | fraction | A small part of a whole. |
| 37. | frame | A supporting structure or part. |
| 38. | functional unit | A part with a specific role. |
| 39. | gearwheel | A toothed wheel component. |
| 40. | handle | A part used for holding. |
| 41. | hinge | A jointed moving part. |
| 42. | inductor | A part storing magnetic energy. |
| 43. | ingredient | A substance or factor in a mixture. |
| 44. | input | A contributing resource or factor. |
| 45. | integral part | An essential part of something. |
| 46. | interface | A connecting part between systems. |
| 47. | item | One separate thing in a set. |
| 48. | joint | A connecting part between pieces. |
| 49. | key element | An important part or factor. |
| 50. | knob | A rounded control or handle. |
| 51. | leg | A supporting part. |
| 52. | lever | A rigid moving part. |
| 53. | link | A connecting part or piece. |
| 54. | main element | A primary part or factor. |
| 55. | major element | A large or important part. |
| 56. | member | An individual part of a group. |
| 57. | microchip | A tiny electronic part. |
| 58. | minor element | A small or less important part. |
| 59. | module | A self-contained part of a system. |
| 60. | motor | A part that provides motion. |
| 61. | mount | A part that supports attachment. |
| 62. | moving part | A part that moves in operation. |
| 63. | node | A connection point within a system. |
| 64. | nut | A threaded fastening part. |
| 65. | part | A piece of a whole. |
| 66. | particle | A very small piece. |
| 67. | partition | A divided part or section. |
| 68. | piece | A portion of a larger whole. |
| 69. | pin | A small fastening part. |
| 70. | port | A connection opening or part. |
| 71. | portion | A share or part of something. |
| 72. | principal part | A main part of something. |
| 73. | processor | A central computing part. |
| 74. | pump | A part that moves fluids. |
| 75. | relay | An electrically operated switch part. |
| 76. | replacement part | A substitute part for repair. |
| 77. | resistor | A part resisting electric current. |
| 78. | rib | A supporting curved part. |
| 79. | rivet | A permanent fastening part. |
| 80. | rod | A straight slender part. |
| 81. | section | A distinct part of something. |
| 82. | sector | A distinct area or part. |
| 83. | segment | A separate part of a whole. |
| 84. | share | A portion belonging to something. |
| 85. | slice | A portion cut from a whole. |
| 86. | structural element | A part of a structure. |
| 87. | subassembly | A smaller assembly within a larger one. |
| 88. | subdivision | A smaller divided part. |
| 89. | subunit | A smaller unit within a larger one. |
| 90. | supporting element | A part that helps support. |
| 91. | terminal | A connection point or part. |
| 92. | transducer | A part converting energy signals. |
| 93. | transistor | A semiconductor switching part. |
| 94. | transmission | A power-transferring part. |
| 95. | unit | A single part of a system. |
| 96. | valve | A part controlling flow. |
| 97. | variable | A changeable factor or element. |
| 98. | washer | A flat spacing part. |
| 99. | wheel | A rotating circular part. |
| 100. | working part | A part that performs a function. |