noun, plural latices [lat-uh-seez] , latexes.
a milky liquid in certain plants, as milkweeds, euphorbias, poppies, or the plants yielding India rubber, that coagulates on exposure to air.
Chemistry. any emulsion in water of finely divided particles of synthetic rubber or plastic.

1655–65; < Neo-Latin, special use of Latin latex water, juice, liquid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
latex (ˈleɪtɛks)
n , pl latexes, latices
1.  a whitish milky fluid containing protein, starch, alkaloids, etc, that is produced by many plants. Latex from the rubber tree is used in the manufacture of rubber
2.  a suspension of synthetic rubber or plastic in water, used in the manufacture of synthetic rubber products, etc
[C19: New Latin, from Latin: liquid, fluid]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1662, "body fluid," from L. latex (gen. laticis) "liquid, fluid," probably from Gk. latax "dregs," from PIE base *lat- "wet" (cf. M.Ir. laith "beer," Welsh llaid "mud, mire," Lith. latakas "pool, puddle," O.N. leþja "filth"). Used 1835 to mean "milky liquid from plants." Meaning "water-dispersed
polymer particles" (used in rubber goods, paints, etc.) is from 1937.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

latex la·tex (lā'těks')

  1. The colorless or milky sap of certain plants, such as the poinsettia, that coagulates on exposure to air.

  2. An emulsion of rubber or plastic globules in water, used in adhesives and synthetic rubber products.

la'tex' adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
latex   (lā'těks')  Pronunciation Key 
  1. The colorless or milky sap of certain trees and plants, such as the milkweed and the rubber tree, that hardens when exposed to the air. Latex usually contains gum resins, waxes, and oils, and sometimes toxic substances.

  2. A manufactured emulsion of synthetic rubber or plastic droplets in water that resembles the latex of plants. It is used in paints, adhesives, and synthetic rubber products.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

LaTeX definition

language, text, tool
(Lamport TeX) Leslie Lamport's document preparation system built on top of TeX. LaTeX was developed at SRI International's Computer Science Laboratory and was built to resemble Scribe.
LaTeX adds commands to simplify typesetting and lets the user concentrate on the structure of the text rather than on formatting commands.
BibTeX is a LaTeX package for bibliographic citations.
Lamport's LaTeX book has an exemplary index listing every symbol, concept and example in the book. The index in the, now obsolete, first edition includes (on page 221) the mysterious entry "Gilkerson, Ellen, 221". The second edition (1994) has an entry for "infinite loop" instead.
["LaTeX, A Document Preparation System", Leslie Lamport, A-W 1986, ISBN 0-201-15790-X (first edition, now obsolete)].

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Many of the suits' inner latex liners were crumbling to pieces.
Gray latex paint and paintbrush, or a thick permanent marker.
With a foam paint roller, apply one coat of acrylic latex paint for your
  background color.
Paint the trunks with white latex, or cover them with a commercial tree wrap.
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