IPA: /ˈtoʊnər/
KK: /ˈtoʊnər/
A substance used in photography to change the color of prints or in skincare to refresh the skin, and also a powder used in printers to create copies.
She applied toner to her face after cleansing to help refresh her skin.
Toner comes from the word 'tone' (from Latin 'tonus', meaning a sound or tone) combined with the suffix '-er' (meaning a person or thing that performs an action). The word 'toner' refers to a substance that adds color or tone to something, particularly in printing.
Think of 'tone' as adding color or sound, and remember that a 'toner' is something that adds tone or color to a print.