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When a Billion Years Disappeared

1,920,128 views

PBS Eons

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English

Speech Time:

97%
  • 11:16 / 11:31

Speech Rate:

  • 165 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

millions

/ˈmilyən/

number

1,000,000s.

colorful

/ˈkələrfəl/

adjective

bright in appearance.

examinations

/iɡˌzaməˈnāSH(ə)n/

noun other

detailed inspection or study. (Medical) tests to find out what is wrong.

deposited

/dəˈpäzət/

verb

To put money or valuable items in a bank.

firsthand

/ˌfərstˈhand/

adjective adverb

coming from original source or personal experience. from original source.

hardened

/ˈhärdnd/

adjective verb

made hard or harder. To make or become hard or firm.

realized

/ˈrē(ə)ˌlīz/

verb

become fully aware of something as fact.

difference

/ˈdif(ə)rəns/

noun verb

Not of the same kind; unlike other things. alter coat of arms.

horizontal

/ˌhôrəˈzän(t)l/

adjective noun

at right angles to vertical. horizontal line, plane, etc..

directly

/diˈrektlē/

adverb conjunction

Right away; immediately. as soon as.

shallow

/ˈSHalō/

adjective noun verb

of little depth. area of sea, lake, or river. become less deep over time or in particular place.

sometimes

/ˈsəmˌtīmz/

adverb

occasionally, rather than all of time.

sediments

/ˈsedəmənt/

noun other verb

matter that settles to bottom of liquid. Material that settles to the bottom of a liquid. settle as sediment.

billion

/ˈbilyən/

noun number

Number 1,000,000,000. thousand million.

geologist

/jēˈäləjəst/

noun

Person who studies the Earth's rocks, layers etc..

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