filar

fi·lar  (flr)

adj.

1. Of or relating to a thread.

2. Having fine threads across the field of view for measuring small distances, as in the eyepiece of a telescope.

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[From Latin flum, thread; see g^wh- in Indo-European roots.]

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filar [ˈfaɪlə]

adj

1. of thread

2. (Physics / General Physics) (of an optical instrument) having fine threads across the eyepiece forming a reticle or set of cross wires

[from Latin fīlum thread]

Thesaurus

Adj.

1.

filar - related to or having filaments (especially across a field of view as in the eyepiece of a telescope); "a filar eyepiece"