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See more synonyms for alti- on Thesaurus.com
  1. a combining form with the meaning “high,” used in the formation of compound words: altigram, altitude.
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Also alto-; especially before a vowel, alt-.

Origin of alti-

Middle English < Latin alti- combining form of altus high
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for alti-


combining form
  1. indicating height or altitudealtimeter
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Word Origin

from Latin altus high
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012