A reagent made from paradimethylaminobenzaldehyde, ethanol and concentrated hydrochloric acid, primarily used to identify indoles.

A mixture of potassium nitrite and concentrated sulfuric acid, used to test for cocaine, morphine, PMA and PMMA.

A mixture of molybdic acid or sodium molybdate and hot, concentrated sulfuric acid, used to identify opioids and other compounds.

(biochemistry) A biochemical reagent consisting of isoamyl alcohol, paradimethylaminobenzaldehyde and concentrated hydrochloric acid.

An eczematous dermatitis accompanying a variety of infectious disorders, often in response to an inflammatory tinea of the feet.

To accept as input. / (idiomatic) To allow access to classified information.

(colloquial) Entirely ready.

The capital city of the province of the same name, in the autonomous community of Castilla-La Mancha, Spain. / A province of Castile-La Mancha, Spain.

(computing, slang) An archetypal highly skilled programmer, who eschews abstractions and convenient modern tools and methods of programming, instead preferring to use a manually-optimised low-level language or program directly in machine code for maximum performance.

An oscillating chemical reaction in which a colourless solution turns slowly amber and then suddenly dark blue, fading back to colourless before the process repeats.