PET is a polymer of ethylene glycol and terephthalic acid. Pellets of PET resin are heated to a molten liquid, which can be easily extruded or molded into almost any shape. PET was first synthesized in the U.S. during the mid-1940s by DuPont chemists searching for polymers that could be used to make new textile fibers.
It is derived literally from the word 'carino' which means pretty, cute. The name Carina (Italian) is the female version of Carino. Carino is unusual as a baby name for boys.
â¢ CAROTENOID (noun). The noun CAROTENOID has 1 sense: 1. any of a class of highly unsaturated yellow to red pigments occurring in plants and animals. Familiarity information: CAROTENOID used as a noun is very rare.Dictionary entry details.yponyms (each of the following is a kind of carotenoid): carotene (yellow or orange-red fat-soluble pigments in plants). lycopene (carotenoid that makes tomatoes red; may lower the risk of prostate cancer). beta-carotene (an isomer of carotene that is found in dark green and dark yellow fruits and vegetables).