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ti1

[tee]
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noun, plural tis. Music.
  1. the syllable for the seventh tone of a diatonic scale.
  2. (in the fixed system of solmization) the tone B.
Also te.
Compare sol-fa(def 1).

Origin of ti1

1835–45; substituted for si to avoid confusion with the sharp of sol. See gamut

ti2

[tee]
noun, plural tis.
  1. a widely cultivated tropical plant, Cordyline terminalis, of the agave family, having narrow, leathery, often variegated leaves and yellowish, white, or reddish flowers.

Origin of ti2

Borrowed into English from Polynesian around 1830–40

Ti

Symbol, Chemistry.
  1. titanium.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ti

ti1

noun
  1. music a variant spelling of te

ti2

noun plural tis
  1. a woody palmlike agave plant, Cordyline terminalis, of the East Indies, having white, mauve, or reddish flowers. The sword-shaped leaves are used for garments, fodder, thatch, etc, and the root for food and liquor
  2. a similar and related plant, Cordyline australis, of New Zealand

Word Origin

of Polynesian origin

Ti

the chemical symbol for
  1. titanium
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

ti in Medicine

Ti

  1. The symbol for the elementtitanium

ti in Science

Ti

  1. The symbol for titanium.

titanium

[tī-tānē-əm]
Ti
  1. A shiny, white metallic element that occurs in all kinds of rocks and soils. It is lightweight, strong, and highly resistant to corrosion. Titanium alloys are used especially to make parts for aircraft and ships. Atomic number 22; atomic weight 47.87; melting point 1,660°C; boiling point 3,287°C; specific gravity 4.54; valence 2, 3, 4. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.