lead line

lead line
a gray or bluish black line at the gingival margin in lead poisoning, seen especially in patients with poor oral hygiene; it is similar to the bismuth line, but is somewhat more diffuse. Called also blue l. and Burton l. or sign.

Medical dictionary. 2011.

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  • Lead line — Lead Lead (l[e^]d), n. [OE. led, leed, lead, AS. le[ a]d; akin to D. lood, MHG. l[=o]t, G. loth plummet, sounding lead, small weight, Sw. & Dan. lod. [root]123.] 1. (Chem.) One of the elements, a heavy, pliable, inelastic metal, having a bright,… …   The Collaborative International Dictionary of English

  • lead line — lead′ line [[t]lɛd[/t]] n. naut. navig. a line by which a lead is lowered into the water to take soundings • Etymology: 1475–85 …   From formal English to slang

  • lead line — [led] n. Naut. a line with a lead weight at one end, used for measuring the depth of water …   English World dictionary

  • lead-line — leadˈ line noun 1. A sounding line (nautical) 2. Any of the lines on a stained glass cartoon indicating where the leads will lie in the finished work • • • Main Entry: ↑lead …   Useful english dictionary

  • Lead line — may refer to: *Sounding line *Leash …   Wikipedia

  • lead line — noun (nautical) plumb line for determining depth • Syn: ↑sounding line • Topics: ↑seafaring, ↑navigation, ↑sailing • Hypernyms: ↑plumb line, ↑ …   Useful english dictionary

  • lead line — 1) the line at the bottom of a net with a series of lead weights used to keep the net low in the water or on the bottom and to maintain the net s shape 2) a weighted line used …   Dictionary of ichthyology

  • lead line — /led/, Naut. a line by which a lead is lowered into the water to take soundings: in deep sea practice, divided into levels one fathom apart, variously treated as marks and deeps. [1475 85] * * * …   Universalium

  • lead line — noun Date: 15th century sounding line …   New Collegiate Dictionary

  • lead line — n. (Nautical) plumb line use to determine depth of water …   English contemporary dictionary

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