Pronunciation: [sˈa͡ʊ͡əɹə] (IPA) 
The word "sourer" is spelled with the IPA phonetic transcription /ˈsaʊərər/. The first syllable "sou" is pronounced as in "south" (/saʊ/), followed by the unstressed vowel "schwa" (/ə/) and then the suffix -er, pronounced as /ər/. This word is the comparative form of "sour," which means having an acidic or tart taste. When something is "sourer" than something else, it has a more acidic or tart taste in comparison.
Sourer is an adjective derived from the noun "sour," and it refers to something that has a more pronounced or intense sour taste compared to others. The term is often used to describe food and beverages that have a tart or acidic flavor, usually resulting from the presence of acids such as citric acid or acetic acid.
In the context of food, sourer typically indicates a higher level of acidity, which can impart a tangy and biting taste sensation. For example, a "sourer lemon" would suggest that the lemon has a more distinct and pronounced sourness compared to other lemons. Similarly, a "sourer wine" might refer to a wine variety that has a higher acidity level, resulting in a more biting and tart character.
The term sourer can also extend beyond the culinary world to describe people or situations. In this sense, it suggests a disposition or attitude that is more acerbic or caustic. For instance, a "sourer expression" refers to a facial expression that conveys a bitter or displeased demeanor. Additionally, a "sourer relationship" suggests a strained or less harmonious bond between individuals.
Overall, "sourer" signifies an enhanced level of sourness, whether it pertains to taste, character, or demeanor. It serves as a comparative adjective to distinguish the degree of sourness in relation to something else.
The word "sourer" is derived from the noun "sour", which dates back to the Old English word "súr" and the Proto-Germanic word "sūraz". The Proto-Germanic word is believed to have originated from the Proto-Indo-European root *seuə-, meaning "to sour, fermented". Over time, the word "sour" gave rise to the adjective "sourer", which describes something that is more sour or acidic.
