Typhoid Information. General Information. ***************************. Typhoid is a bacterial disease transmitted through contaminated food and water. The risk of Typhoid is thought to be in the region of 1/3,000 to 1/5,000 for the International Traveller to the tropics â especially for those visiting parts of India.yphoid Information. General Information. ***************************. Typhoid is a bacterial disease transmitted through contaminated food and water. The risk of Typhoid is thought to be in the region of 1/3,000 to 1/5,000 for the International Traveller to the tropics â especially for those visiting parts of India.
Nitrogen: historical information. 1  Discoveror: Daniel Rutherford. 2  Place of discovery: Scotland. 3  Date of discovery: 1772. 4  Origin of name: from the Greek words  nitron genes  meaning  nitre  and  forming  and the Latin word  nitrum  (nitre is a common name for potassium nitrate, KNO#).
The word etymology is derived from the Greek word á¼ÏÏÎ¼Î¿Î»Î¿Î³Î¯Î±, etymologia, itself from á¼ÏÏÎ¼Î¿Î½, etymon, meaning true sense, and the suffix-logia, denoting the study of. In linguistics, the term etymon is used to refer to a word or morpheme from which a later word is derived.tymologists apply a number of methods to study the origins of words, some of which are: 1  Philological research. 2  Changes in the form and meaning of the word can be traced with the aid of older texts, if such are available. 3  Making use of dialectological data.