acrylic (adj.) Look up acrylic at Dictionary.com
1855, "of or containing acryl," the name of a radical derived from acrolein (1843), the name of a liquid in onions and garlic that makes eyes tear, from Latin acer "sharp" (see acro-) + olere "to smell" (see odor) + -in (see -ine (2)). With adjectival suffix -ic. Modern senses often short for acrylic fiber, acrylic resin, etc.