(esp of smooth muscle) not having stripes; unstriated
unstriped in American English
(unˈstraipt, -ˈstraipɪd)
adjective
not striped; nonstriated, as muscular tissue
Word origin
[1835–45; un-1 + striped]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: basic, communism, faceplate, hybridize, serialun- is a prefix meaning “not,” freely used as an English formative, giving negative oropposite force in adjectives and their derivative adverbs and nouns (unfair; unfairly; unfairness; unfelt; unseen; unfitting; unformed; unheard-of; un-get-at-able), and less freely used in certain other nouns (unrest; unemployment)