Resulting from an extrusion operation. This is Webster's definition for "extrude":

extrude (eks trod, ik strod) -truded, -truding
vt.
1 to push or force out; expel
2 to force (metal, plastic, etc.) through a die or very small holes to give it a certain shape
vi.
to be extruded; esp., to protrude
extruder
n.
extrusion
n.

Etymology
[L extrudere, to thrust out or forth < ex-, out + trudere, thrust]

(C)1995 Zane Publishing, Inc. (C)1994, 1991, 1988 Simon & Schuster, Inc.


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Note added at 2004-03-20 13:56:04 (GMT)
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The complete expression would be \"extruded corn snacks\". Look at these examples:

EXTRUDED CORN SNACKS FORTIFIED WITH WHEY PROTEIN CONCENTRATE ...
TEKTRAN. EXTRUDED CORN SNACKS FORTIFIED WITH WHEY PROTEIN CONCENTRATE:
EFFECT OF CORN MEAL PARTICLE SIZE. Author(s): KONSTANCE RICHARD ...
www.nal.usda.gov/ttic/tektran/data/ 000011/80/0000118001.html

15C-14 Extruded corn snacks fortified with whey protein ...
15C-14. Extruded corn snacks fortified with whey protein concentrate: effect of particle size. RP KONSTANCE 1 , CI Onwulata, and RJ Wildermuth. ...
ift.confex.com/ift/2001/techprogram/paper_7228.htm

[PDF] Whalen Consulting
File Format: PDF/Adobe Acrobat - View as HTML
... calibration Baked potato snacks Dough formulation and baking process Fried potato snacks Dough cooking and frying process RTE extruded corn snacks Dough cooking ...
www.newport.com.au/tony_bello.pdf

BakingBusiness.com
... General Mills, Inc., Minneapolis, saw a strong enough response to its introduction
of Smokin\' BBQ Bugles extruded corn snacks that it took the variety from ...
www.bakingbusiness.com/ co_article.asp?ArticleID=13587&PF=print