WIRES
\wˈa͡ɪ͡əz], \wˈaɪəz], \w_ˈaɪə_z]\
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In a theodolite, etc., horizontal cross or hairs equidistant from the central horizontal cross wire.
By Noah Webster.
Word of the day
beta Lactams
- Cyclic amides formed aminocarboxy acids by the elimination water. They isomeric with lactims, which are enol forms of lactams. (From Dorland, 27th ed)