isotherm

English

Etymology

From the French isotherme (“of equal temperature”, adjective), itself from Ancient Greek ἴσος (ísos, “equal”) + θέρμη (thérmē, “warmth”). By surface analysis, iso- +‎ therm-.

Pronunciation

• (UK) IPA^(key): /ˈaɪ.səʊˌθɜː(ɹ)m/

• Audio (Southern England):

  (file)

Noun

isotherm (plural isotherms)

1. A line on a graph or chart, such as a weather map, along which all the points have the same temperature.

   Synonym: thermoisopleth

   Coordinate terms: isopleth, isobar, isohyet

Derived terms

• isothermal

Related terms

• isothermality
• isothermic

Translations

line representing equal temperature

• Chinese:

  Mandarin: 等溫線 / 等温线 (zh) (děngwēnxiàn)

• Czech: izoterma (cs) f
• Dutch: isotherm (nl) f
• Esperanto: izotermo
• Estonian: isoterm, samasoojusjoon
• Finnish: isotermi (fi), lämpökäyrä
• French: ^{(please verify)} ligne isotherme f, ^{(please verify)} isotherme (fr) f
• German: Isotherme (de) f
• Greek: ισόθερμος (el) f (isóthermos)
• Ido: izotermo (io)
• Irish: isiteirm f
• Italian: isoterma (it) f
• Latvian: izoterma (lv) f
• Lithuanian: izotermė f
• Portuguese: isoterma f
• Russian: изоте́рма (ru) f (izotérma)
• Tagalog: kakaintan

References

• Webster's Seventh New Collegiate Dictionary, Springfield, Massachusetts, G.&C. Merriam Co., 1967
• Nouveau Petit Larousse illustré. Dictionnaire encyclopédique. Paris, Librairie Larousse, 1952, 146th edition

Anagrams

• Homerist, moithers, shoterim, theorism, thiomers

Dutch

Pronunciation

• Audio:

  (file)

Noun

isotherm f (plural isothermen)

1. isotherm

German

Pronunciation

• Audio:

  (file)

Adjective

isotherm (strong nominative masculine singular isothermer, not comparable)

1. isothermic
2. isothermal

Declension

Positive forms of isotherm (uncomparable)

number & gender		singular			plural
		masculine	feminine	neuter
predicative		er ist isotherm	sie ist isotherm	es ist isotherm	sie sind isotherm
strong declension (without article)	nominative	isothermer	isotherme	isothermes	isotherme
	genitive	isothermen	isothermer	isothermen	isothermer
	dative	isothermem	isothermer	isothermem	isothermen
	accusative	isothermen	isotherme	isothermes	isotherme
weak declension (with definite article)	nominative	der isotherme	die isotherme	das isotherme	die isothermen
	genitive	des isothermen	der isothermen	des isothermen	der isothermen
	dative	dem isothermen	der isothermen	dem isothermen	den isothermen
	accusative	den isothermen	die isotherme	das isotherme	die isothermen
mixed declension (with indefinite article)	nominative	ein isothermer	eine isotherme	ein isothermes	(keine) isothermen
	genitive	eines isothermen	einer isothermen	eines isothermen	(keiner) isothermen
	dative	einem isothermen	einer isothermen	einem isothermen	(keinen) isothermen
	accusative	einen isothermen	eine isotherme	ein isothermes	(keine) isothermen

Further reading

• “isotherm” in Duden online
• “isotherm” in Digitales Wörterbuch der deutschen Sprache