filamentary
noun(fil-a-ment)
a single thread or a thin flexible threadlike object, process, or appendage : such as
filamentary
noun(fil-a-ment)
a tenuous conductor (as of carbon or metal) made incandescent by the passage of an electric current; specifically : a cathode in the form of a metal wire in an electron tube
filamentary
noun(fil-a-ment)
a thin and fine elongated constituent part of a gill