copulative

1. Various forms, meanings, and grammatical features of Western Yugur copulative verbs are realized through two tones: accurate tone and normal tone.
   西部裕固语系动词的各种形式、意义、语法特点使用两种口气：确切口气和普通口气。
2. Describing the morpheme order of bisyllabic copulative compound.
   描写双音节并列式复合词语素的组合状况。
3. The copulative method of absolute and relative approach is adopted in error function.
   误差函数采用绝对和相对逼近精度相结合的方法。

noun

1. an equating verb (such as `be' or `become') that links the subject with the complement of a sentence

   Synonym:    copulalinking verb

adj

1. syntactically connecting sentences or elements of a sentence
   1. `and' is a copulative conjunction