termos.
thermos, vacuum flask
Meaning & usage
thermos, vacuum flask
Where this word comes from
Genericized trademark of Thermos LLC, a manufacturer of insulated food and beverage containers and other consumer products. The company was originally founded in Germany in 1904 and is now headquartered in the United States, under the ownership of the Japanese company Nippon Sanso. The word itself is from Ancient Greek θερμός (thermós, “warm”), from Proto-Indo-European *gʷʰer-.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.