The word "touch on" is spelled as /tʌtʃ ɒn/ in IPA phonetic transcription. The "t" sound is made by pressing the tip of the tongue against the alveolar ridge, followed by the "ʌ" sound where the tongue is held in the center of the mouth. The "ch" sound is made by bringing the back of the tongue close to the palate, while the "ɒ" sound is produced by rounding the lips. Lastly, the "n" sound is made by touching the tip of the tongue to the alveolar ridge.
The phrase "touch on" is a phrasal verb that has various meanings depending on the context. It primarily refers to briefly mentioning or addressing a particular topic or subject matter without going into great detail. It implies a superficial or cursory discussion, lightly brushing upon a subject without delving into its intricacies.
In conversation or writing, to "touch on" something means to make a passing remark or an incidental reference to a specific point, typically to provide a general overview rather than a comprehensive analysis. It suggests acknowledging a certain aspect or issue without exploring it extensively or dwelling upon it extensively.
Furthermore, "touching on" can also indicate to briefly make physical contact with someone or something. It refers to a gentle and light contact, usually a fleeting touch or a brush. This kind of touch conveys a minor and casual interaction, often without causing any significant impact or lasting impression.
Overall, "touch on" incorporates both verbal and physical connotations, highlighting the acts of briefly mentioning a subject in passing and creating momentary physical contact. It entails a superficial and cursory approach, whether it refers to a discussion or a light physical gesture.
The phrase "touch on" has origins in Middle English. It can be traced back to the Old French verb "touchier", which means to touch or handle. In Middle English, it evolved as "touchen", and eventually "touch on" emerged as a phrasal verb meaning to briefly mention or discuss something. This usage of "touch on" came into play during the 16th century.