What does gel mean?

What does gel mean? Gel means semi-solid jelly-like substance that is mixture of liquid and solid with elastic and viscous properties, such as hair gel for styling, shower gel for cleaning, silica gel for absorbing moisture, and gelatin dessert that is gel. As verb, gel means to become firm or semi-solid, or to form gel, like gelatin gels when cooled, or figuratively to come together and work well, as in ideas gelled or team gelled meaning ideas formed and team bonded. In chemistry, gel is colloidal system where liquid dispersed in solid network. In medical, gel is topical preparation or ultrasound medium. In slang, gel can mean gelling meaning bonding. In British slang, gel short for girl. So gel as noun is jelly-like substance used for styling, cleaning, or scientific, and as verb means to solidify or to come together harmoniously, with core idea of semi-solid consistency and cohesion.