18-letter words containing c, a, o, g, s
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- ultrasonic testing — the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- wheelchair housing — housing designed or adapted for a chairbound person
- young conservative — a member of the youth section of the United Kingdom Conservative Party