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match

(Encyclopedia) match, small stick whose chemically coated tip bursts into flame when struck on a rough surface. Before the introduction of the match, fire was made by friction methods using the stick…

Iwo To

(Encyclopedia) Iwo To: see Iwo Jima.

Fertő tó

(Encyclopedia) Fertő tó, lake: see Neusiedler Lake, Austria and Hungary.

Fahrenheit temperature scale

(Encyclopedia) Fahrenheit temperature scaleFahrenheit temperature scalefârˈənhītˌ [key], temperature scale in which the temperature difference between two reference temperatures, the melting and…

flame

(Encyclopedia) flame, phenomenon associated with the chemical reaction of a gas that has been heated above its kindling temperature with some other gas, usually atmospheric oxygen (see combustion).…

Bradbury, Ray

(Encyclopedia) Bradbury, Ray (Raymond Douglas Bradbury)Bradbury, Ray (Raymond Douglas Bradbury)brădˈbĕrˌē, –bərē [key], 1920–2012, American writer, b. Waukegan, Ill. A popular and prolific writer of…

bead test

(Encyclopedia) bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to…

thermometer

(Encyclopedia) thermometer, instrument for measuring temperature. Galileo and Sanctorius devised thermometers consisting essentially of a bulb with a tubular projection, the open end of which was…

Matthew, Gospel according to

(Encyclopedia) Matthew, Gospel according to, 1st book of the New Testament. Scholars conjecture that it was written for the church at Antioch toward the end of the 1st cent. Traditonally regarded as…