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agar

 [ah-gahr, ag-er]  

a·gar

   [ah-gahr, ag-er]
noun
1.
Also, a·gar-a·gar. Also called Chinese gelatin, Chinese isinglass, Japanese gelatin, Japanese isinglass. a gelatinlike product of certain seaweeds, used for solidifying certain culture media, as a thickening agent for ice cream and other foods, as a substitute for gelatin, in adhesives, as an emulsifier, etc.
2.
Biology. a culture medium having an agar base.
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Origin:
1885–90; < Malay agaragar seaweed from which a gelatin is rendered, or the gelatin itself

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Agar is always a great word to know.
So is nucleus. Does it mean:
reproduction in which the offspring resemble the parents and undergo the same cycle of development
a mass of protoplasm found in most cells, directing their growth, metabolism, reproduction, and functioning in the transmission of genic characters
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Dictionary.com Unabridged

A·gar

   [ey-gahr]
noun Douay Bible.
Hagar.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
agar (ˈeɪɡə)
 
—n
Also called: agar-agar a complex gelatinous carbohydrate obtained from seaweeds, esp those of the genus Gelidium, used as a culture medium for bacteria, a laxative, in food such as ice cream as a thickening agent (E406), etc
 
[C19: Malay]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Medical Dictionary

agar a·gar (ā'gär', ä'gär') or a·gar-a·gar (ā'gär-ā'gär', ä'gär-ä'-)
n.

  1. A gelatinous material derived from marine algae, used as a base for bacterial culture media and as a stabilizer and thickener in food.

  2. A culture medium containing this material.

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
agar   (ā'gär', ä'gär')  Pronunciation Key 
A gelatinous material obtained from marine algae, especially seaweed, used as a medium for growing bacterial cultures in the laboratory and as a thickener and stabilizer in food products.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

Agar

in the Old Testament (Gen. 16:1-16; 21:8-21), Abraham's concubine and the mother of his son Ishmael. Purchased in Egypt, she served as a maid to Abraham's childless wife, Sarah, who gave her to Abraham to conceive an heir. When Hagar became pregnant, her meek manner changed to arrogance; with Abraham's reluctant permission, Sarah treated her so harshly that she fled into the wilderness. There, by a spring of water, she was found by an angel of the Lord, who told her to return home and promised her that she would have many descendants through a son, Ishmael; he would grow up to be a "wild ass of a man," in constant struggle with all other men. Hagar returned home to bear her child

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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