Murchison Surname Meaning. Descriptive Writing introductory reference. An Englishing of Gaelic MacMhurchaidh, 'son of Murchadh,' Englished Murdoch. Fowill Morthoison was burgess of Inverness, 1452 (Invernessiana, p. 122).
enrichment. 1  an act of enriching. 2  the state of being enriched. 3  something that enriches: the enrichments of education and travel.
Two complementary short-term aims of enrichment studies are to increase 'desirable' behaviour and to reduce 'undesirable' behaviour. It is widely accepted that activities such as coprophagy, regurgitation, hair-pulling, self-injury, or stereotyped movements are undesirable.