Uta

Entertainment / Literature / Uta: Another term for the Japanese genre of poetry also called a waka or tanka. See discussion under tanka.
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I-Mutation

Entertainment / Literature / I-Mutation: Also called initial mutation, an i-mutation is a change to the initial sound of a word in response to other words appearing in the sentenc. This is a common feature of Celtic languages like Irish and MORE

Glutamate

Science / Chemistry / Glutamate: Ionic salts of glutamic acid used as flavor enhancers in many foods. Glutamate is usually manufactured by acid hydrolysis of vegetable proteins. Besides being a basic building block of proteins, gluta MORE

Glutamine

Science / Chemistry / Glutamine: The amide of the amino acid glutamic acid. Glutamic acid often occurs as glutamine when built into proteins. MORE

Mutation Rate

Science / Biology / Mutation Rate: The average occurrence of mutations in a species per a given unit of time. MORE

Mutage

Life Style / Wine / Mutage: The process of arresting fermentation by the addition of grape spirit, this is essentially fortification. See my feature on mutage, in my Sweet Wine series, for more detailed information. MORE

Commutator

Technology / Motors / Commutator: A cylindrical device mounted on the armature shaft and consisting of a number of wedge-shaped copper segments arranged around the shaft (insulated from it and each other. The motor brushes ride on the MORE