Boiling: Movement of lines or fluctuating colour, sometimes a deliberate style but often due to inaccurate inbetweens or uneven application of colour.
Bouncing Ball: A preliminary animation exercise to study weight, timing and the basics of 'Squash and Stretch'.
Breakdown: The middle drawing or pose between two keys.
COSHH: Control of Substances Hazardous to Health. These regulations are very important in Model Making and Stop Frame.
Camera Shake: Vibration created by filming artwork or models with calibrated degrees of camera movement in alternating directions.
Clean up: Cleaning up or re-drawing the rough animation, referring to models sheets to ensure that the animation is 'on model', and preparing artwork for scanning or tracing.
Comp-ing: Compositing or combining various elements to create the final image.
Cycle: Continuous action created by repeating a sequence of drawings or images, typically used for walks and runs. Cycles are also used in Effects Animation, eg. rain, snow, flags, etc.; in fact, anything that is repeated action.