different between thermos vs dewar

English

Etymology 1

From Thermos, a trademarked name, from Ancient Greek ?????? (thermós, “warm”).

Pronunciation

• (Received Pronunciation) IPA^(key): /????.m?s/
• (General American, Canada) IPA^(key): /???.m?s/

Noun

thermos (plural thermoses)

1. A bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents

Synonyms

• vacuum flask

Translations

See also

• dewar

Further reading

• thermos on Wikipedia.Wikipedia

Etymology 2

From Ancient Greek ?????? (thérmos).

Noun

thermos (plural thermoi)

1. (historical) A unit of measure whose identification remains very unclear.

Anagrams

• moth-ers, mothers, smother

French

Etymology

Genericized trademark.

Pronunciation

• IPA^(key): /t??.mos/, /t??.m?s/

Noun

thermos m (plural thermos)

1. thermos

Further reading

• “thermos” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Alternative forms

• Dewar

Etymology

From the name of inventor James Dewar.

Pronunciation

• (General American) IPA^(key): /?du?.?/
• Homophone: doer

Noun

dewar (plural dewars)

1. A vacuum flask; a vessel which keeps its contents hotter or cooler than their environment without the need to modify the pressure, by interposing an evacuated region to provide thermal insulation between the contents and the environment.

Synonyms

• Dewar bulb
• Dewar flask
• Dewar tube
• Dewar vessel
• vacuum flask

Translations

See also

• thermos

Anagrams

• Warde, adrew, drawe, wader, wared