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.
The students of an enrichment teacher participate in enrichment classes on a voluntary basis; hence, their progress and/or performance are not subject to grade-based assessment and the teachers of these classes are not subject to credentialing requirements.