Lunar caustic

Lunar caustic
Lunar Lu"nar (l[=u]"n[~e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster]

2. Resembling the moon; orbed. --Dryden. [1913 Webster]

3. Measured by the revolutions of the moon; as, a lunar month. [1913 Webster]

4. Influenced by the moon, as in growth, character, or properties; as, lunar herbs. --Bacon. [1913 Webster]

{Lunar caustic} (Med. Chem.), silver nitrate prepared to be used as a cautery; -- so named because silver was called luna by the ancient alchemists.

{Lunar cycle}. Same as {Metonic cycle}. See under {Cycle}.

{Lunar distance}, the angular distance of the moon from the sun, a star, or a planet, employed for determining longitude by the {lunar method}.

{Lunar method}, the method of finding a ship's longitude by comparing the local time of taking (by means of a sextant or circle) a given lunar distance, with the Greenwich time corresponding to the same distance as ascertained from a nautical almanac, the difference of these times being the longitude.

{Lunar month}. See {Month}.

{Lunar observation}, an observation of a lunar distance by means of a sextant or circle, with the altitudes of the bodies, and the time, for the purpose of computing the longitude.

{Lunar tables}. (a) (Astron.) Tables of the moon's motions, arranged for computing the moon's true place at any time past or future. (b) (Navigation) Tables for correcting an observed lunar distance on account of refraction and parallax.

{Lunar year}, the period of twelve lunar months, or 354 days, 8 hours, 48 minutes, and 34.38 seconds. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • lunar caustic — n. fused silver nitrate, used in medicine for cauterizing …   English World dictionary

  • lunar caustic — SYN: toughened silver nitrate. * * * lunar caustic n silver nitrate esp. when fused and molded into sticks or small cones for use as a caustic * * * toughened silver nitrate …   Medical dictionary

  • lunar caustic — Nitrate Ni trate, n. [Cf. F. nitrate.] (Chem.) A salt of nitric acid. [1913 Webster] {Nitrate of silver}, a white crystalline salt ({AgNO3}), used in photography and as a cauterizing agent; called also {lunar caustic}, and more commonly called… …   The Collaborative International Dictionary of English

  • lunar caustic — liapisas statusas T sritis chemija apibrėžtis AgNO₃ lydalas su KNO₃ (1:2). atitikmenys: angl. lunar caustic rus. адский камень; ляпис ryšiai: sinonimas – liapis …   Chemijos terminų aiškinamasis žodynas

  • lunar caustic — liapisas statusas T sritis chemija formulė AgNO₃ atitikmenys: angl. lunar caustic rus. адский камень; ляпис ryšiai: sinonimas – liapis …   Chemijos terminų aiškinamasis žodynas

  • lunar caustic — pragaro akmenėlis statusas Neteiktinas sritis chemija apibrėžtis Buitinis AgNO₃ pavadinimas. formulė AgNO₃ atitikmenys: angl. lunar caustic rus. адский камень …   Chemijos terminų aiškinamasis žodynas

  • lunar caustic — noun Etymology: obsolete luna silver, from Medieval Latin, from Latin, moon Date: 1751 silver nitrate especially when fused and molded into sticks for use as a caustic …   New Collegiate Dictionary

  • lunar caustic — noun silver nitrate fused into sticks and formerly used as a caustic • Hypernyms: ↑silver nitrate …   Useful english dictionary

  • lunar caustic — Med., Chem. silver nitrate, AgNO3, esp. in a sticklike mold, used to cauterize tissues. [1790 1800] * * *       fused, molded form of silver nitrate (q.v.). * * * …   Universalium

  • lunar caustic — lu′nar caus′tic n. pha silver nitrate formed as a stick, used in medicine for cauterizing tissue • Etymology: 1790–1800 …   From formal English to slang

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