Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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No pronunciation record was provided for this word.
adj
Of a temperature close to absolute zero, especially one at which quantum-mechanical properties are observed.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Extremely cold; of utmost coldness.
Definition source: English Wiktionary via Wiktextract
Usage: informal
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From ultra- + cold.
Across languages
1 source translations are retained for this English entry.
