thermal

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ther·mal

 (thûr′məl)
adj.
1. Of, relating to, using, producing, or caused by heat.
2. Intended or designed in such a way as to help retain body heat: thermal underwear.
n.
A rising current of warm air.

ther′mal·ly adv.
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.

thermal

(ˈθɜːməl)
adj
1. (General Physics) Also: thermic of, relating to, caused by, or generating heat or increased temperature
2. hot or warm: thermal baths; thermal spring.
3. (Textiles) (of garments or fabrics) specially designed so as to have exceptional heat-retaining properties
n
4. (Physical Geography) meteorol a column of rising air caused by local unequal heating of the land surface, and used by gliders and birds to gain height
5. (Clothing & Fashion) (plural) thermal garments, esp underclothes
ˈthermally adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ther•mal

(ˈθɜr məl)

adj.
1. Also, thermic. of, pertaining to, or caused by heat or temperature: thermal energy.
2. of, pertaining to, or of the nature of hot or warm springs: thermal waters.
3. designed to aid in or promote the retention of body heat: a thermal blanket; thermal underwear.
n.
4. a rising air current caused by heating from the underlying surface.
5. thermals, clothing, esp. underwear, designed to help retain body heat.
[1750–60]
ther′mal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

ther·mal

(thûr′məl)
Adjective
Relating to heat.
Noun
A current of warm air that rises because it is less dense than the air around it.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

thermal

A rising column of warm air.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thermal - rising current of warm airthermal - rising current of warm air    
air current, current of air, wind - air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure; "trees bent under the fierce winds"; "when there is no wind, row"; "the radioactivity was being swept upwards by the air current and out into the atmosphere"
Adj.1.thermal - relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight"
nonthermal - not involving heat; "nonthermal luminescence"
2.thermal - of or relating to a hot spring; "thermal water"
3.thermal - caused by or designed to retain heat; "a thermal burn"; "thermal underwear"
hot - used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning; "hot stove"; "hot water"; "a hot August day"; "a hot stuffy room"; "she's hot and tired"; "a hot forehead"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
حَراري
tepelnýtermální
termisk
lämpö
termál
hita-/varma-
šiluminis
karstssiltuma-termisks
tepelnýtermálny
ısıyla ilgilitermik

thermal

[ˈθɜːməl]
A. ADJ [current] → termal; [underwear, blanket] → térmico
B. N
1. (Met) → térmica f, corriente f térmica
2. thermals (= underwear) → ropa f interior térmica
C. CPD thermal baths NPL = thermal springs thermal printer Ntermoimpresora f
thermal reactor Nreactor m térmico
thermal springs NPLtermas fpl, fuentes fpl termales
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

thermal

[ˈθɜːrməl] adj
[power station, insulation, energy] → thermique
[spring, lake] → thermal(e)
[underwear, vest, socks, leggings] → en Thermolactyl®thermal baths nplthermes mplthermal imaging camera ncaméra f à vision nocturne
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

thermal

adj
(Phys) → Wärme-; neutron, reactor, equilibriumthermisch; thermal expansionWärmeausdehnung f; thermal power stationWärmekraftwerk nt
clothingThermo-; thermal socksThermosocken pl; thermal blanketAluminiumdecke f; thermal underwearThermounterwäsche f
n
(Aviat, Met) → Thermik f no pl
thermals pl (inf: = thermal underwear) → Thermounterwäsche f

thermal

:
thermal barrier
n (Phys, Aviat) → Temperatur- or Hitzebarriere f
thermal baths
plThermalbäder pl
thermal conductivity
thermal imager
nThermograf m
thermal imaging
nThermografie f
thermal imaging system
nThermografiesystem nt
thermal paper
nThermopapier nt
thermal printer
n (Comput) → Thermodrucker m
thermal spa
nThermalbad nt
thermal spring
thermal transfer
nThermotransfer m
thermal unit
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

thermal

[ˈθɜːml] adj (currents, spring) → termale; (underwear) → termico/a; (paper) → termosensibile
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

thermal

(əθəːməl) adjective
of heat. thermal springs (= natural springs of warm or hot water); thermal units.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

ther·mal

, thermic
a. termal, térmico-a, rel. al calor o producido por éste.
English-Spanish Medical Dictionary © Farlex 2012

thermal

adj térmico
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
Another thing, Trillium Covert and Madrono Ranch were happily situated in a narrow thermal belt, so that in the frosty mornings of winter the temperature was always several degrees higher than in the rest of the valley.
[USPRwire, Thu Mar 21 2019] The global thermal printer market size has experienced an impressive growth by attaining a value US 3.2 Bn in 2017, which is expected to rise up to US 3.1 Bn by 2025 with 10.6% CAGR.