My Science School

Meaning: The word raucous denotes making or constituting a disturbingly harsh and loud noise.

Origin:  The word, which has been around since 1769, is derived from the Latin word raucus for hoarse. The echoic base of this word is also the base for Sanskit rayati, meaning "barks and ravati, meaning "roars"

Following a steady increase in usage in the first half of the 20th Century, there was a brief blip before its usage soared to its current highs

Usage:  The game between these two schools always witnesses raucous crowds.

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Meaning: The word sheen denotes smooth shine, brightness and soft lustre. While it is predominantly used for surfaces that can exhibit these qualities, it is also used in other contexts.

Origin: The first attested use of the word is from Shakespeare's "Hamlet" in 1602. It is derived from the Old English word scene, sciene meaning beautiful, bright, brilliant, which is from the Proto-Germanic skauniz meaning conspicuous.

The word sheen is also used these days to correspond to "a film of oil on water. This usage has been around only from the 1970s.

Usage:  His haughty demeanour at the end of the show took some sheen off his splendid performance.

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Meaning: This verb means to claim or assume something (such as an idea or theory) is true especially for the purposes of starting a discussion.

Origin: This word is derived from the Latin postulare which means 'to ask for or 'request.

Example: It was the Greek astronomer, Ptolemy, who postulated that the earth was at the centre of the universe.

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Meaning: This word is an adjective, and refers to anything smelling strongly of something or having qualities (especially smells) that make you think of something else.

Origin: Said to have been in use in English since the 14th and 15th Centuries, is has its origins in the Latin word redolens, the present participle of redolere, meaning to emit odour.

Example: The air around was redolent with the scent of frangipani.

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Meaning: This noun refers to a person who has succeeded in business or industry and has become very rich and powerful.

Origin: In use since the 19th Century, it is a title given by foreigners to the shogun of Japan. Shogun was the hereditary commander-in-chief in feudal Japan. Tycoon has its origins in the Japanese word taikun, meaning "great lord or prince".

Example: The tycoon is on the verge of bankruptcy.

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