Definition of allowance for English Language Learners. : 1  an amount of money that is given to someone regularly or for a specific purpose. : 2  a small amount of money that is regularly given to children by their parents. : 3  an amount of something (such as time) that is allowed or available.
category development index (CDI) Category development index (CDI) is an index that is calculated by taking the percentage of a product categoryâs total sales that occur in a given market area as compared to the percentage of the total population in the market.
The CDI (Chemical Distribution Institute) is an inspection regime specially designed for chemical and gas tankers. The completed CDI report provides a score for the inspected vessel. A higher score indicates a vessel compliant with industry standards. SM Marine Services has operations all over the Europe.M Marine Services is dedicated to providing a quality service that is based on objectivity, fairness and honesty, and on which our reputation can stand. SM Marine Services carry out inspections of dry bulk & container vessels on behalf of the different Flag States.