 
                                                 | Term | Definition | 
|---|---|
| Mean Fibre Diameter | 
					The average diameter (thickness) of a group of fibres from a sheep. Expressed in microns(				 | 
| Medium Wool | 
					Merino wool that has a mid-range fibre diameter, usually between 20.6 and 22.5 micron.				 | 
| Medullated | 
					Fibres which have a medulla, that is, are hollow down the centre. In wool fibres, this creates a different appearance to those which are unmedullated, and effects the dyeing properties.				 | 
| Merino | 
					The Merino strains of sheep are the dominant breed of apparel wool sheep grown in Australia.				 | 
| Micron | 
					A unit of measurement used in assessing the diameter of a fibre which equals one millionth of a metre.				 | 
| Mob | 
					A group of sheep, usually run under the same conditions for the full wool growing season eg. a mob of ewes that have been run in the same paddock, drenched and mated/lambed at the same time.				 | 
| Molars | 
					Teeth on either sides of the top and bottom jaws used for grinding food.				 | 
| Monkey | The plate used to compress the wool within the press. It is moved up and down manually by bars or by hydraulics; technical name is Platen |