нишковиден означава в английски

fibrous▼(of or pertaining to fibre)
adjective
[UK: ˈfaɪ.brəs] [US: ˈfaɪ.brəs]

threadlike▼(resembling a thread in length or thinness)
adjective
[UK: ˈθred.laɪk] [US: ˈθred.laɪk]