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Essential Words for the TOEFL Lesson 9 Vocabulary Test

Essential Words for the TOEFL Lesson 9 Vocabulary Test

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  • account for
  1. take something into consideration; to provide reasons for an event
    syn. explain

He did not account for Earth’s gravity in his physics calculations.
Her intense studying accounts for her excellent grades.

  • accurate (adv. accurately; n. accuracy)

adj. careful and exact
syn. precise

She was able to make accurate observations with the new telescope.
Experiments must be conducted with accuracy.

  • acute (adv. acutely; n. acuteness)

adj. having a sudden consequence or severe effect
syn. intense

The president was acutely aware of the fact that her decision would be unpopular.
He was suffering from an acute headache.

  • classify (adj. classified; n. classification)
  1. to place into groups according to type

Biologists classify life forms into many phylla.
The library’s catalog is a classification of books in the library.

  • currency
  1. monetary unit; cash

Most purchases in foreign countries must be made in the local currency.
The Japanese currency is gaining strength against the dollar.

  • dense (adv. densely; n. density)

adj. closely packed or crowded; difficult to see through
syn. thick

The boating accident was caused by the dense fog.
Hong Kong is one of the most densely populated cities in the world.

  • dim (adv. dimly; v. dim; n. dimness)

adj. not bright or clear
syn. faint

The light was too dim for studying.
The stars dimly lit the evening sky.

  • display (n. display)
  1. to show; reveal

The model displayed the details of the human hand.
The candidate’s display of anger was unfortunate.

  • exports (adj. exported; v. export)
  1. products sold abroad
    syn.foreign sales

The United States’ imports now exceed its exports.
Exported goods are usually high in quality.

  • gigantic (adv. gigantically)

adj. very large
syn. enormous

Reaching the moon was a gigantic step in space exploration for mankind.
New methods of farming offer gigantic advantages over the old methods.

  • impressive (adv. impressively; v. impress; n. impression)

adj. causing admiration because of an object’s importance, size, or quality
syn. imposing

Lincoln’s power of persuasion was impressive.
Everyone left with a good impression of the play.

  • install (n. installation; n. installer)
  1. to set up or create an office; to place in a fixed position

The software we needed was already installed on the computer.
Antonia was installed as president of the art club last week.

  • jargon (adj. jargony)
  1. language specific to a profession or activity

The legal jargon in the contract was confusing.
Science fiction jargon used in television shows and movies often comes from real science.

  • saturate (n. saturation; adj. saturated)
  1. to fill or occupy to the maximum level

In order to paint, you must saturate a brush with a hue of your choice.
In order to obtain food, the sponge saturates itself with sea water.

  • straightforward (adv. straightforwardly; n. straightforwardness)

adj. easy to understand; simple; honest
syn. uncomplicated

The assembly directions were straightforward.
His straightforward approach to his business dealings earned him respect.

  • uniform (adv. uniformly; n. uniformity)

adj. every part being the same;
syn. consistent

Bread has a uniform texture.
The grades on the test were uniformly poor.

  • vibrant (adv. vibrantly; n. vibrance)

adj. lively; powerful; full of action; bright
syn. brilliant

His vibrant personality made him well liked by everyone.
The vibrance of the city is attractive to many individuals.

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