income support noun

In Britain, a social security payment made to people on low incomes

income tax noun

A tax directly levied on income or on income over a certain amount

income unit noun

A type of unit trust in which a regular dividend is paid to the holder instead of accumulating in the capital fund

negative income tax

A type of Government subsidy in which low-paid workers are paid an additional sum instead of having tax deducted from their wages

supplement /supˈli-mənt/

noun

1. That which supplies a deficiency or fills a need
2. That which completes or brings closer to completion
3. An extra part added (later) to a publication, giving further information or listing corrections to earlier mistakes
4. A special part of a newspaper or periodical accompanying an ordinary part
5. An additional charge
6. The quantity by which an angle or an arc falls short of 180º or a semicircle

transitive verb /-mentˈ, also supˈli-mənt/

1. To supply or fill up
2. To add to

supplementˈal or supplementˈary adjective and noun

1. (something) added to supply what is needed
2. (something that is) additional

supplementˈally or supplementˈarily adverb

supplementāˈtion noun

suppˈlementer noun

supplēˈtion noun

1. A supplement
2. The adding of a word to supply a missing form of a conjugation, etc, such as went for the past tense of to go (grammar)

supplēˈtive or suppˈletory adjective

Supplemental

supplementary angle noun

Either of a pair of angles whose sum is 180º

supplementary benefit noun

A state allowance paid each week to those with low incomes in order to bring them up to a certain established level (now called income support in the UK)