cupel

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cu·pel

 (kyo͞o′pəl, kyo͞o-pĕl′)
n.
1. A porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead.
2. The bottom or receptacle in a silver-refining furnace.
tr.v. cu·peled, cu·pel·ing, cu·pels or cu·pelled or cu·pel·ling
To assay or separate from base metals in a cupel.

[French coupelle, from Old French, diminutive of coupe, cup, from Late Latin cuppa, drinking vessel.]

cu′pel·ler, cu′pel·er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cupel

(ˈkjuːpəl; kjʊˈpɛl)
n
1. (Metallurgy) a refractory pot in which gold or silver is refined
2. (Metallurgy) a small porous bowl made of bone ash in which gold and silver are recovered from a lead button during assaying
vb, -pels, -pelling or -pelled, -pels, -peling or -peled
(Metallurgy) (tr) to refine (gold or silver) by means of cupellation
[C17: from French coupelle, diminutive of coupe cup]
ˈcupeller, ˈcupeler n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cu•pel

(ˈkyu pəl, kyuˈpɛl)

n., v. -peled, -pel•ing (esp. Brit.) -pelled, -pel•ling. n.
1. a small, porous cup, usu. made of bone ash, used in assaying, as for separating gold and silver from lead.
2. a receptacle or furnace bottom in which silver is refined.
v.t.
3. to heat or refine in a cupel.
[1595–1605; < Medieval Latin cūpella= Latin cūp(a) tub + -ella diminutive suffix]
cu′pel•er, cu•pel′ler, n.
cu`pel•la′tion, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

cupel


Past participle: cupelled
Gerund: cupelling

Imperative
cupel
cupel
Present
I cupel
you cupel
he/she/it cupels
we cupel
you cupel
they cupel
Preterite
I cupelled
you cupelled
he/she/it cupelled
we cupelled
you cupelled
they cupelled
Present Continuous
I am cupelling
you are cupelling
he/she/it is cupelling
we are cupelling
you are cupelling
they are cupelling
Present Perfect
I have cupelled
you have cupelled
he/she/it has cupelled
we have cupelled
you have cupelled
they have cupelled
Past Continuous
I was cupelling
you were cupelling
he/she/it was cupelling
we were cupelling
you were cupelling
they were cupelling
Past Perfect
I had cupelled
you had cupelled
he/she/it had cupelled
we had cupelled
you had cupelled
they had cupelled
Future
I will cupel
you will cupel
he/she/it will cupel
we will cupel
you will cupel
they will cupel
Future Perfect
I will have cupelled
you will have cupelled
he/she/it will have cupelled
we will have cupelled
you will have cupelled
they will have cupelled
Future Continuous
I will be cupelling
you will be cupelling
he/she/it will be cupelling
we will be cupelling
you will be cupelling
they will be cupelling
Present Perfect Continuous
I have been cupelling
you have been cupelling
he/she/it has been cupelling
we have been cupelling
you have been cupelling
they have been cupelling
Future Perfect Continuous
I will have been cupelling
you will have been cupelling
he/she/it will have been cupelling
we will have been cupelling
you will have been cupelling
they will have been cupelling
Past Perfect Continuous
I had been cupelling
you had been cupelling
he/she/it had been cupelling
we had been cupelling
you had been cupelling
they had been cupelling
Conditional
I would cupel
you would cupel
he/she/it would cupel
we would cupel
you would cupel
they would cupel
Past Conditional
I would have cupelled
you would have cupelled
he/she/it would have cupelled
we would have cupelled
you would have cupelled
they would have cupelled
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cupel - a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. leadcupel - a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
vessel - an object used as a container (especially for liquids)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
References in classic literature ?
That which would remain in the cupel if one should assay a phantom.
Wrapped samples are placed on porous blocks, known as cupels, and when in the furnace the cupels absorb the lead and any base metals as oxides.
Costs, including those associated with cupels, furnaces, chemicals, power consumption, and the environment, are considerably reduced.