Lesson 34

to carefully cut apart the body or one of its parts to display internal structures for scientific examination or instruction

Biology students carefully dissected frogs in lab to examine the organs and organ systems firsthand.

the act of cutting apart or separation of tissues, organs, etc. during anatomical study or investigation

Through careful dissection, the biologist was able to identify the anatomical structures that differentiate male and female specimens of the species.

(astronomy) a secondary circular orbit embedded within a primary circular orbit

In his astronomical work the Almagest, Ptolemy used a system of deferents and epicycles to explain the observed motions of planets across the night sky.

a curve created by tracing the path of a point on a small rolling circle as it revolves around the edge of a larger circle

Planetary astronomers once thought the apparent motions of Mars could be explained by a combination of deferents and epicycloids modeled after circular trajectories.

to cause a bruise or injury to the body, typically by blunt force or impact

Firefighters must be careful when rescuing accident victims not to further contuse any injured areas.

a bruise caused by blunt force trauma without piercing the skin

He had a contusion on his arm from the fall.

to oversee or manage a process or operation, especially in an administrative or executive role

The construction foreman superintended the building project.

of the highest or best kind possible within a field or industry

Their products are considered the gold standard and among the most superlative in the industry.

over and above what is required or expected

The construction project went over budget due to hiring of supernumerary workers during the tight deadline.

to take something or someone's position or place, particularly due to being more effective or up-to-date

The new company guidelines will supersede the outdated policies from last year.

to occur as an additional or unexpected development following something else

The unforeseen complications supervened after the surgery, requiring additional treatment.

to grant permission or approval for someone to possess or have something

The constitution accords all citizens freedom of speech and assembly.

relating to or occurring once every hundred years

The university is hosting a series of centenary lectures throughout the year to mark its 100-year anniversary.

a professional soldier in the Roman army who commanded 100 men

Centurions held considerable authority among the ranks and were the backbone of Roman military leadership.

the collective body or masses of people inhabiting a particular locality or jurisdiction

Dissatisfaction with rising prices was growing among the populace.

having a large number of inhabitants relative to its size or area

Tokyo is one of the most populous cities in the world, housing over 30 million people.

the number of people who live in a particular city or country

As the population ages, there will be increasing strain on healthcare systems.

a metric unit equal to 1/100th of a liter

Students had to weigh and record the volume of 10 centilitres of water for a science experiment.