Lesson 33

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

Black smoke billowed from the chimney of the burning building.

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

Black smoke billowed from the chimney of the burning building.

a statement or proposition that denies another statement or proposition

His modest, mild-mannered persona is quite a contradiction to the characters he plays on film.

a statement that directly opposes another statement, making both unable to be true at the same time

The witness's statement turned out to be a contradictory, casting doubt on the case.

relating to illegally transported or held goods

Items like firearms or explosives are absolutely contraband on airplanes for safety.

to go against an argument or statement

The evidence clearly contravenes the defendant's testimony.

peace of mind

A vacation by the sea provided much-needed repose.

a place or collection where things are stored for safekeeping

University archives act as the central repository for important records, papers, and data relating to the institution's history.

to gradually consume or destroy through friction or erosion over time

The sand abraded the stone statue as waves washed over it daily.

a material or substance with a rough surface or texture used to grind, polish, smooth, or wear away another surface through friction

Sandpaper is a common abrasive used in woodworking.

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

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

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

Meteorologists rely on models of atmospheric hydrodynamics to predict weather patterns and storm development.

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

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

a device used for measuring the specific gravity of liquids

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

the study of pressures in static or non-flowing fluids

Engineering students learned about hydrostatics and how static pressures vary with depth in tanks, pipes, and other vessels containing fluids.

containing or chemically combined with water

Gypsum is the hydrous calcium sulfate mineral commonly used to make drywall because it slowly releases its water of crystallization over time.

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

Biological taxonomy relies on defined categorical levels like domain, kingdom, phylum to systematically name living things.

to systematically organize and list items, information, or resources, often in a detailed and structured manner

The librarian diligently catalogs new books in the library's database for easy retrieval.