marˈginalize or marˈginalise transitive verb

1. To write notes in the margin of
2. To push to the edges of anything, esp of consciousness, society, etc in order to reduce effectiveness

marˈginally adverb

marˈginate transitive verb

To provide with a margin

Having a well-marked border (also marˈginated)

margināˈtion noun

marˈgined adjective

marginal constituency, marginal seat or marginal ward noun

A constituency, seat or ward held with a small majority and not providing a safe seat for any of the political parties

marginal cost or marginal revenue noun (economics)

The increase in a firm's total costs or revenue caused by producing one more unit of output

marginal firm noun

One whose profits are equivalent to the normal expected returns from the capital invested in them

marginal land noun

Less fertile land which will be brought under cultivation only if economic conditions justify it

marginal tax rate noun (finance)

The percentage of each pound of extra income paid in tax

marˈginal-unit noun (economics)

The last unit to be added to, or the first removed from, any supply

margin call noun (stock exchange)

A demand from a broker to increase the amount of money held on deposit

margin index noun

A form of thumb-index using coloured blocks rather than indentations in a book's margins