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SAT Word Skills 2 - Lesson 33

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SAT Word Skills 2
to billow
to billow
[Verb]

to expand in a blowing or puffing motion as if by the action of wind or some force within

Ex: Black smoke billowed from the chimney of the burning building. 
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billowing
billowing
[Adjective]

(often of smoke, fabric, or clouds) swelling, rolling, or moving outward or upward in large, smooth waves or folds

Ex: Billowing smoke rose from the burning building. 
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contradiction

a statement or proposition that denies another statement or proposition

Ex: His modest, mild-mannered persona is quite a contradiction to the characters he plays on film. 
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contradictory
contradictory
[Adjective]

expressing or involving statements or ideas that cannot be true or false at the same time

Ex: "Alive" and "dead" are contradictory terms. 
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contraband
contraband
[Adjective]

relating to illegally transported or held goods

Ex: Items like firearms or explosives are absolutely contraband on airplanes for safety. 
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to contravene

to go against an argument or statement

Ex: The evidence clearly contravenes the defendant's testimony. 
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to repose
to repose
[Verb]

to place something down flat or horizontally

Ex: The vase was carefully reposed on the mantle, away from the edge. 
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repository

a place or collection where things are stored for safekeeping

Ex: University archives act as the central repository for important records, papers, and data relating to the institution's history. 
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to abrade
to abrade
[Verb]

to gradually consume or destroy through friction or erosion over time

Ex: The sand abraded the stone statue as waves washed over it daily. 
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abrasive
abrasive
[Adjective]

behaving in a mean and disrespectful manner with no concern for others

Ex: His abrasive remarks upset everyone in the meeting. 
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hydraulic
hydraulic
[Adjective]

relating to the transmission or control of fluids under pressure within confined systems or machinery

Ex: Students in the hydraulic engineering program studied fluid mechanics, pipe systems, and control mechanisms. 
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hydrodynamics

the scientific study of the mechanics and dynamics of fluids like water and air in motion

Ex: Meteorologists rely on models of atmospheric hydrodynamics to predict weather patterns and storm development. 
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hydroelectric
hydroelectric
[Adjective]

relating to the electric power which is generated by the flow of water

Ex: Many remote mountain towns rely on hydroelectric power generated from nearby rivers and waterfalls. 
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hydrometer

a device used for measuring the specific gravity of liquids

Ex: Car mechanics use a battery hydrometer to accurately determine acid density levels and whether a new battery is needed. 
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hydrostatics

the study of pressures in static or non-flowing fluids

Ex: Engineering students learned about hydrostatics and how static pressures vary with depth in tanks, pipes, and other vessels containing fluids. 
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hydrous
hydrous
[Adjective]

containing or chemically combined with water

Ex: Gypsum is the hydrous calcium sulfate mineral commonly used to make drywall because it slowly releases its water of crystallization over time. 
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categorical
categorical
[Adjective]

relating to classifying concepts or objects based on the group they belong to, not specific attributes or positioning

Ex: Biological taxonomy relies on defined categorical levels like domain, kingdom, phylum to systematically name living things. 
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catalog
catalog
[noun]

a list of items in a particular category, especially one systematically arranged

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