atmospheric turbidity (s) (noun)
, atmospheric turbidities (pl)
Haziness in the atmosphere due to aerosols; such as, dust: "When atmospheric turbidity is zero, the sky has no dust, as measured by a sun photometer; which is an instrument that measures luminous intensity or brightness, luminous flux, light distribution, color, etc.; usually, by comparing the light emitted by two sources, one source having certain specified standard characteristics."
axial-flow turbine (s) (noun)
, axial-flow turbines (pl)
A common type of turbine with axial flow through the runner blades axially to the turbine shaft.
bioturbation (s) (noun)
, bioturbations (pl)
The mixing of a sediment by the burrowing, feeding, or other activities of living organisms.
condensing turbine (s) (noun)
, condensing turbines (pl)
A steam turbine in which the exhaust steam is condensed and the water formed from this process then is used to supply the feedwater for the generator.
cryoturbation (s) (noun)
, cryoturbations (pl)
Disturbance of the soil surface by the action of freezing or of alternate freezing and thawing.
, disturbs; disturbed; disturbing
1. To interrupt the quiet, rest, peace, or order of; to unsettle.
2. To interfere with; to interrupt; to hinder: "She didn't want anyone to disturb her while she was working on her book."
3. To interfere with the arrangement, order, or harmony of; to disarrange.
4. To perplex; to trouble: to be disturbed by strange behavior.
5. To cause a disturbance to someone's sleep, rest, etc.: "We saw the sign on the door: 'Do not disturb'."
disturbance (s) (noun)
, disturbances (pl)
1. The act of disturbing.
2. The state of being disturbed; a commotion.
3. Something that disturbs.
4. An outbreak of disorder; a breach of public peace.
5. In meteorology: any cyclonic storm or low-pressure area, usually a small one.
6. In geology: a crustal movement of moderate intensity, somewhat restricted in area.
7. An electrical or acoustic activity that can disturb communication.
8. In archeology: the changing or altering of an archeological context by the effect(s) of an unrelated activity at a later time.
Examples include dam building, farming, and heavy construction; as well as, noncultural activities such as freeze-thaw cycles, landslides, and simple erosion. "Disturbance" is also the nonscientific removal of an artifact from its archaeological context.
Disquieted; agitated; having the settled state, order, or position which is disturbed.
disturber (s) (noun)
, disturbers (pl)
1. A trouble maker who disquiets or interferes with peace and quiet.
2. Someone who causes disorders and commotions.
3. One who disturbs or disquiets; a violator of peace; one who causes tumults or disorders.
4. A person or something which excites passion or agitation.
5. Someone or anything that causes perturbation.
1. In a disturbing manner.
2. Troubling emotionally or mentally; being upset.
extraction turbine (s) (noun)
, extraction turbines (pl)
A steam turbine in which a portion of the working fluid is tapped between stages of an expansion process and used for purposes other than generating mechanical power: The extraction turbine has provided many rooms with heating because of the devices that allow the hot vapor to be utilized.
faunalturbation (s) (noun)
, faunalturbations (pl)
A minor disturbance of the surface of earth, or soil, by animals; especially, by the burrowing and tunneling of rabbits, gophers, mice, etc.
, more imperturbable, most imperturbable
1. Not easily excited or upset: Despite the bad weather conditions, Rodney had an imperturbable
attitude about preparing for his trip.
2. Marked by extreme calm and composure: Aurora had an imperturbable
reaction to the criticisms presented by her fellow workers about having to work overtime.
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imperturbableness (s) (noun)
Cross references of word groups that are related, directly or indirectly, to: "air, wind":