Depends upon the way you drive on them. When properly inflated and rotated the last user is correct 75,000 to 100,000 miles on average, even on the cheapest set of tires.
Definition of morpheme. : a distinctive collocation of phonemes (as the free form pin or the bound form -s of pins) having no smaller meaningful parts.
1 A word can be analyzed as consisting of one morpheme (sad) or two or more morphemes (unluckily; compare luck, lucky, unlucky), each morpheme usually expressing a distinct meaning. 2  When a morpheme is represented by a segment, that segment is a morph.djective: morphemic. Morphemes are the smallest units of meaning in a language. They are commonly classified as either free morphemes (which can occur as separate words) or bound morphemes (which can't stand alone as words). Many words in English are made up of a single free morpheme.