Pronunciation: [jˈiːstɪnəs] (IPA) 
Yeastiness is a noun that describes the quality of being yeasty or having the flavor of yeast. The IPA phonetic transcription of yeastiness is /ˈjiːstɪnəs/. The initial sound /j/ is followed by the long vowel sound /iː/ and the consonants /s/ and /t/ are combined with the vowel sound /ɪ/ which is followed by the consonant /n/. The final sound /əs/ is made up of the schwa sound and the consonant /s/.
Yeastiness refers to the characteristic or quality associated with yeast, a type of fungus that plays a crucial role in the process of fermentation. It describes the presence, taste, aroma, or texture of yeast or yeast-derived products.
In terms of taste, yeastiness often suggests a slightly tangy or sour flavor that is distinctively associated with bread, beer, wine, or other fermented foods and beverages. This flavor is a result of the byproducts of yeast metabolism, such as organic acids and alcohols. Yeastiness can also be detected through the smell of freshly baked bread or the aroma of a yeast-forward beer or wine, which can be described as sweet, earthy, or slightly floral.
Additionally, yeastiness can refer to the texture or consistency of foods that contain or are made with yeast. For example, bread dough that is properly risen will exhibit a fluffy, elastic, and slightly spongy texture, often described as yeasty.
The term "yeastiness" can also be used in a more figurative sense, referring to an excessive or overwhelming presence of yeast-like characteristics. In this context, it might describe an overpowering yeasty taste or smell that may be perceived as undesirable, indicating a flaw or imbalance in a food or beverage.
Overall, yeastiness encompasses the various sensory aspects associated with yeast and its presence in food and drink, providing a comprehensive understanding of its flavor, aroma, texture, and overall sensory experience.
The state of being yeasty or frothy.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "yeastiness" is derived from the noun "yeast", which has Old English origins. It stems from the Old English word "gist", which in turn comes from the West Germanic word "jestuz". This Germanic word likely originated from the Proto-Indo-European root "*yes-", meaning "foam" or "yeast". The suffix "-ness" is a common English suffix used to form nouns indicating a state or condition, turning "yeasty" into "yeastiness". Therefore, "yeastiness" refers to the state or quality of being yeasty or containing yeast-like characteristics.
