Thus, the cell wall can be several layers thick, each layer being a sheet of linked peptidoglycan units. The Gram-positive bacterial cell wall is distinguished by having multiple layers of peptidoglycan sheets and is thus up to ten times the thickness of a Gram-negative bacterial cell wall.
noun. A parson holding his Bible. A parson holding his Bible. The definition of a parson is a member of the clergy, particularly in the Anglican tradition. An example of a parson is a Protestant minister.
pariah noun [C]. âº a âperson who is not âaccepted by a âsocial âgroup, âespecially because he or she is not âliked, ârespected, or âtrusted.(Definition of pariah from the Cambridge Advanced Learners Dictionary & Thesaurus Â© Cambridge University Press).he Cambridge English Dictionary is constantly being updated and expanded to reflect the interests of our users. One area of particular interest to our users is that of English Language Teaching (ELT), and a number of ELT terms have recently been added to the dictionary.