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Gem

Gem

1. (Science: botany) a bud.

2. A precious stone of any kind, as the ruby, emerald, topaz, sapphire, beryl, spinel, etc, especially when cut and polished for ornament; a jewel.

3. Anything of small size, or expressed within brief limits, which is regarded as a gem on account of its beauty or value, as a small picture, a verse of poetry, a witty or wise saying. Artificial gem, an imitation of a gem, made of glass coloured with metallic oxide.

4. (Science: prefix) Prefix denoting twin substitutions on a single atom; e.g., the gem-dimethyl substitution on carbon-4 of lanosterol.

Origin: shortened form of L. Geminus, twin; oe. Gemme precious stone, f. Gemme, fr. L. Gemma a precious stone, bud.


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argument against the uranium-in-zircon dating

... be geologically significant and related to cooling through very low temperatures. This idea was supported by helium diffusion measurements on gem quality Durango fluorapatite which indicated a closure temperature of just 100 ? +/- 3O”C, a value recently confirmed on several additional apatites ...

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by mith
Mon Sep 22, 2008 11:56 pm
 
Forum: Evolution
Topic: argument against the uranium-in-zircon dating
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Views: 12496

Money talks, Nature walks

Your post got me thinking about epitaphs so I googled some and found this gem: On a spinster postmistress in a North Carolina cemetery: Returned--Unopened LMAO!!

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by AstusAleator
Sun Dec 09, 2007 3:47 am
 
Forum: Ecology
Topic: Money talks, Nature walks
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Views: 4919

The Fiber Disease

A gem worthy of praise, but which even yet does not address the issue at hand.

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by Frank N Stein
Fri Dec 22, 2006 11:20 pm
 
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The Fiber Disease

... contemporary challenges of HIV/AIDS and bio-terrorism. http://www.h-net.org/~environ/syllabi/pdf_files/webbepid.pdf Thanks Royal society, you're a gem! and , this is for that girl (I forget her name on Lbusters that said I was crazy last November for saying it could be done on computers. she is ...

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by London
Fri Oct 13, 2006 7:47 pm
 
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Topic: The Fiber Disease
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True healers

Linn wrote " Sounds like you found a gem of a doctor." Dear Linn, Yes my psychiatrist and therapist have been my saving grace! They had been treating me for depression for three years before I ever heard of the “M” word. Through the ...

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by Sabrina
Sat Apr 15, 2006 5:20 pm
 
Forum: Human Biology
Topic: The Fiber Disease
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