well-crossed

crossed

[krawst, krost]
adjective Mathematics.
(of partial derivatives) mixed, especially of order two.

Origin:
cross + -ed2

well-crossed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Etymonline
Word Origin & History

cross
O.E. cros, from O.Ir. cros, probably via Scandinavian, from L. crux (gen. crucis) "stake, cross," originally a tall, round pole; possibly of Phoenician origin. Replaced O.E. rood.

cross
"ill-tempered," 1630s, probably from 16c. sense of "contrary, athwart," especially with reference to winds and sailing ships, from cross (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
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00:10
Well-crossed is always a great word to know.
So is slumgullion. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a stew of meat, vegetables, potatoes, etc.
American Heritage
Science Dictionary
cross   (krôs)  Pronunciation Key 
Noun   A plant or animal produced by crossbreeding; a hybrid.

Verb   To crossbreed or cross-fertilize plants or animals.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang Dictionary

cross (so) (up) definition


and cross up (so )
  1. tv.
    to go against someone; to thwart someone. : Don't cross me up if you know what's good for you.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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