impression material

im·pres·sion ma·te·ri·al

any substance or combination of substances used for making a negative reproduction or impression.

im·pres·sion ma·te·ri·al

(im-preshŭn mă-tērē-ăl) Substance or combination of substances used to make a negative reproduction in dental care.

im·pres·sion ma·te·ri·al

(im-preshŭn mă-tērē-ăl) Substance or combination of substances used to make a negative reproduction or impression.