Plume: A volume of a substance that moves from its source to places farther away from the source. Plumes can be described by the volume of air or water they occupy and the direction they move. For example, a plume can be a column of smoke from a chimney or a substance moving with groundwater.

 

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Plume: A volume of a substance that moves from its source to places farther away from the source. Plumes can be described by the volume of air or water they occupy and the direction they move. For . . . View Full Definition

Nom De Plume: Another term for a pen name. The word indicates a fictitious name that a writer employs to conceal his or her identity. For example, Samuel Clemens used the nom de plume 'Mark Twain.' Willia . . . View Full Definition

Mantle Plume: A rising mass of hot mantle material that can create an area of volcanic activity in the center of a lithospheric plate.

Nom De Guerre: Another term for a nom de plume or a pen name. See nom de plume or pen name. (French, 'name of war')

Pen Name: Another term for nom de plume. The word indicates a fictitious name that a writer employs to conceal his or her identity. For example, Samuel Clemens used the pen name 'Mark Twain.' William . . . View Full Definition

Haiku: Japanese poem of three unrhyming lines in 5, 7, and 5 syllables. For example, windshield wipers swish and monday fm blues say melancholy grace.

Static Test: Firing a rocket motor in a restrained, protected area for purposes of recording chamber pressure, thrust, wall temperature, plume characteristics, burning duration, etc.

Pen: The English word, the French equivalent, plume, and the German, Peder, originally meant a wing-feather. St Isidore of Seville in the 7th century writes about a quill-pen. The hand-cut quill, . . . View Full Definition

Echo Box Performance Monitor: An accessory which is used for tuning the radar receiver and checking overall performance by visual inspection. An artificial echo as received from the echo box will appear as a narrow plume . . . View Full Definition

Hot Spot: A volcanic center located within a lithospheric plate that is thought to be caused by a plume of hot mantle material rising from depth.