Definition of "using" [using]

• Present participle of use. (verb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "In February 2006 at the TED conference (an exclusive gathering of physicists, artists, futurists, comedians and Al Gore), Han gave a talk using a 36in x 27in touchscreen that wowed people by doing what iPhone users now take for granted: moving things around ­using his hands and fingers (you can find this on YouTube)."
• "Among the prevalent habits of students by which the eyes are injured, the same writer mentions the irritation produced by rubbing them on awaking in the morning, a practice which has in some cases occasioned permanent and incurable disease; reading while the body is in a recumbent position; using the eyes too early after the system has been affected with serious disease; exercising them too much in the examination of minute objects; the popular plan of _using green spectacles_, and _the use of tobacco_."
• "Eco-friendly, earth friendly, and green all usually mean organic, free of insecticides and pesticides, and many times the label using that term supports charities and small local businesses in third-world countries."