Phrase 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
A dimensionless number (symbol Pr) defined as the ratio of momentum diffusivity to thermal diffusivity.
Definition source: English Wiktionary via Wiktextract
Topics: fluid-dynamics, natural-sciences, physical-sciences, physics, thermodynamics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
By surface analysis, Prandtl + number. Named after the German physicist Ludwig Prandtl.
Across languages
1 source translations are retained for this English entry.
