Meaning of EXTRAPOLATE in English

transcription, транскрипция: [ ik-ˈstra-pə-ˌlāt ]


( -lat·ed ; -lat·ing )

Etymology: Latin extra outside + English -polate (as in interpolate ) — more at extra-

Date: 1874

transitive verb

1. : to infer (values of a variable in an unobserved interval) from values within an already observed interval


a. : to project, extend, or expand (known data or experience) into an area not known or experienced so as to arrive at a usually conjectural knowledge of the unknown area

extrapolate s present trends to construct an image of the future

b. : to predict by projecting past experience or known data

extrapolate public sentiment on one issue from known public reaction on others

intransitive verb

: to perform the act or process of extrapolating

• ex·trap·o·la·tion -ˌstra-pə-ˈlā-shən noun

• ex·trap·o·la·tive -ˈstra-pə-ˌlā-tiv adjective

• ex·trap·o·la·tor -ˌlā-tər noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.