amber

amber

amber (plural ambers)

1. A hard, generally yellow to brown translucent fossil resin, used for jewellery. One variety, blue amber, appears blue rather than yellow under direct sunlight.
   • 1594 — Shakespeare, The Taming of the Shrew, Act IV, Scene III:

     With scarfs and fans and double change of bravery,

     With amber bracelets, beads, and all this knavery.

   • 1637, Monro, his expedition with the Worthy Scots Regiment (called Mac-Keys Regiment), republished in 1999 (ISBN 0275962679), page 102:

     To shew this by example, we reade of Sabina Poppcea, to whom nothing was wanting , but shame and honestie, being extremely beloved of Nero, had the colour of her haire yellow, like Amber, which Nero esteemed much of, [...]

2. A brownish yellow colour.

   amber colour:

3. (UK) The intermediate light in a set of three traffic lights, the illumination of which indicates that drivers should stop short of the intersection if it is safe to do so.
   • 1974, Traffic Planning and Engineering, page 366:

     While earlier controllers provided concurrent ambers, present practice is to indicate a minimum intergreen period of 4 s.

   • 2000, in the Journal of Traffic Engineering & Control, volume 41, page 201:

     Also flashing ambers are not operational at this type of crossing.

   • 2004 January 14, ""AZGuy"" (username), ""Turn Signal Research shows amber no more effective then red"", in rec.autos.driving, Usenet:

     >Problem: Red-red signals are too time consuming when traffic density is higher.

     I dont find them time consuming at all. I find them identical to ambers.

4. (biology, genetics, biochemistry) The stop codon (nucleotide triplet) ""UAG"", or a mutant which has this stop codon at a premature place in its DNA sequence.

   an amber codon, an amber mutation, an amber suppressor

   • 2007, Molecular Genetics of Bacteria, edition 3, page 333:

     For example, to cross a temperature-sensitive mutation with an amber mutation, amber suppressor cells are infected at the low (permissive) temperature.

   • 2007, Jonathan C. Kuhn, Detection of Salmonella by Bacteriophage Felix 01, in Salmonella: Methods and Protocols, pages 27–28:

     Double ambers revert at 10^-8-10^-9, and therefore, reversion is negligible. Double-amber mutants are made by crossing single-amber mutants with each other.

5. (obsolete or historical) Ambergris, the waxy product of the sperm whale.
   • 1526, The Grete Herball:

     Ambre is hote and drye [...] Some say that it is the sparme of a whale.

   • 1600, John Pory (translator), A Geographical Historie of Africa (original by Leo Africanus), page 344:

     The head of this fish is as hard as stone. The inhabitants of the Ocean sea coast affirme that this fish casteth foorth Amber; but whether the said Amber be the sperma or the excrement thereof, they cannot well determine.

   • 2007, Encyclopedia of canonical ?ad?th (ISBN: 9789004156746), page 298:

     That amber was secreted by sperm whales was clear to some medieval scholars.

amber (comparative more amber, superlative most amber)

1. Of a brownish yellow colour, like that of most amber.
   • 2006, Jeffrey Archer, False Impression, page 270:

     They all moved safely through the first green and then the second, but when the third light turned amber Jacks taxi was the last to cross the intersection.

   • 2008, Elizabeth Amber, Raine: The Lords of Satyr, page 211:

     Ahead, a cool breeze swept the pale morning sun across a grassy meadow turned amber by mornings frost.

	ambra
	fossil resin
	colour
	A hard yellow or brownish substance, formed from resin, used in making jewellery etc.

	ambrata
	Of a brownish yellow colour

	ambrato
	Of a brownish yellow colour

	giallo
	traffic light

ambra gialla

Altri significati:

A hard yellow to brown translucent fossil resin, used for jewellery.

Of a brownish yellow colour.

amber (colour, color)

(biology), (genetics), (biochemistry) A colloquial name used in molecular biology referring to a particular stop codon sequence, "UAG."

(UK) The intermediate light in a set of three traffic lights.

A brownish yellow colour.

amber colour:

Traduzione 'veloce'

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