NaOH
Caustic Caus"tic, Caustical Caus"tic*al, a. [L. caustucs, Ge. ?, fr. ? to burn. Cf. {Calm}, {Ink}.] 1. Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing. [1913 Webster]

2. Severe; satirical; sharp; as, a caustic remark. [1913 Webster]

{Caustic curve} (Optics), a curve to which the ray of light, reflected or refracted by another curve, are tangents, the reflecting or refracting curve and the luminous point being in one plane.

{Caustic lime}. See under {Lime}.

{Caustic potash}, {Caustic soda} (Chem.), the solid hydroxides potash, {KOH}, and soda, {NaOH}, or solutions of the same.

{Caustic silver}, nitrate of silver, lunar caustic.

{Caustic surface} (Optics), a surface to which rays reflected or refracted by another surface are tangents. Caustic curves and surfaces are called catacaustic when formed by reflection, and diacaustic when formed by refraction.

Syn: Stinging; cutting; pungent; searching. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • NAOH — steht für: Natriumhydroxid, ein weißer hygroskopischer Feststoff; in Wasser Natronlauge NA OH steht für: Omaheke, ISO 3166 2 Code der namibischen Region Diese Seite ist eine Begriffsklärung zur …   Deutsch Wikipedia

  • NaOH — Kristallstruktur Na+      …   Deutsch Wikipedia

  • NaOH — Hydroxyde de sodium Pour les articles homonymes, voir soude (homonymie). Hydroxyde de sodium Structure de l hydroxyde de sodium …   Wikipédia en Français

  • NaOH — Sodium So di*um, n. [NL., fr.E. soda.] (Chem.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so highly reactive that it …   The Collaborative International Dictionary of English

  • NaOH — Ternary Ter na*ry, a. [L. ternarius, fr. terni. See {Tern}, a.] 1. Proceeding by threes; consisting of three; as, the ternary number was anciently esteemed a symbol of perfection, and held in great veneration. [1913 Webster] 2. (Chem.) Containing …   The Collaborative International Dictionary of English

  • NaOH — …   Википедия

  • NaOH — n. sodium hydroxide, highly caustic alkali used to make acids neutral and make sodium salts …   English contemporary dictionary

  • NaOH — • sodium hydroxide …   Maritime acronyms and abbreviations

  • 脑户 nǎoh (DU17) — 【定位】俯伏坐位。 在头部,后发际正中直上2.5寸,风府上1.5寸,枕外隆凸的上缘凹陷处。 【取法】正坐或俯伏,于头部中线,枕骨粗隆上缘之凹陷处取穴。 【解剖】穴下为皮肤、皮下组织、左、右枕额肌枕腹之间、腱膜下疏松组织。 布有枕大神经的分支和枕动、静脉的分支或属支。 【特异性】督脉、足太阳之会 【功用】醒神开窍、平肝熄风 【主治】头痛头重,面赤目黄,眩晕,瘿瘤,视神经炎。 【刺灸法】平刺0.5~1寸;可灸。 【归经】督脉 …   Human meridian points (人体经络穴位)

  • 脑户 nǎoh (DU17) — 【定位】俯伏坐位。 在头部,后发际正中直上2.5寸,风府上1.5寸,枕外隆凸的上缘凹陷处。 【取法】正坐或俯伏,于头部中线,枕骨粗隆上缘之凹陷处取穴。 【解剖】穴下为皮肤、皮下组织、左、右枕额肌枕腹之间、腱膜下疏松组织。 布有枕大神经的分支和枕动、静脉的分支或属支。 【特异性】督脉、足太阳之会 【功用】醒神开窍、平肝熄风 【主治】头痛头重,面赤目黄,眩晕,瘿瘤,视神经炎。 【刺灸法】平刺0.5~1寸;可灸。 【归经】督脉 …   Human meridian points (人体经络穴位)

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”