supplement

 

noun

Pronunciation: /ˈsʌplɪm(ə)nt/
  • 1a thing added to something else in order to complete or enhance it: the handout is a supplement to the official manual
  • a substance taken to remedy the deficiencies in a person’s diet: multivitamin supplements
  • a separate section, especially a colour magazine, added to a newspaper or periodical: our special supplement is packed with ideas for healthy hair
  • a sum of money paid to increase a person’s income: an earnings-related supplement was paid during the first six months of unemployment
  • an additional charge payable for an extra service or facility: the single room supplement is £2 per night
  • 2 Geometry the amount by which an angle is less than 180°.

verb

Pronunciation: /ˈsʌplɪmɛnt, sʌplɪˈmɛnt/
[with object]
  • add an extra element or amount to: she took the job to supplement her husband’s income

Derivatives

supplemental

Pronunciation: /-ˈmɛnt(ə)l/
adjective

supplementally

Pronunciation: /-ˈmɛnt(ə)li/
adverb

supplementation

Pronunciation: /-ˈteɪʃ(ə)n/
noun

Origin:

late Middle English: from Latin supplementum, from supplere 'fill up, complete' (see supply1)