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Particulate matter air pollution

28,841 views

HarvardX

Video Language:

  • English

Caption Language:

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Accent:

  • English (US)

Speech Time:

98%
  • 4:56 / 5:00

Speech Rate:

  • 166 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

primary

/ˈprīˌmerē/

adjective noun verb

Most important, most basic or essential. preliminary election. run as opponent of incumbent in preliminary election.

concentration

/ˌkänsənˈtrāSH(ə)n/

noun

Amount or number of something in a thing or place.

epidemiological

/ˌepəˌdēmēəˈläjəkəl/

adjective

Of or relating to epidemiology; "epidemiological studies".

emitted

/əˈmit/

verb

produce and discharge.

minutes

/ˈminit/

noun other

sixty seconds. Notes taken at meetings to record what was said.

estimates
noun other verb

approximate calculation. Guesses or calculations of cost, size or value. To guess or calculate the cost, size or value of.

particles

/ˈpärdək(ə)l/

noun other

minute portion of matter. Tiny pieces or quantities of some things.

therefore

/ˈT͟Herˌfôr/

adverb

for that reason.

particulate

/pärˈtikyələt/

adjective noun verb

relating to or in form of minute separate particles. matter in form of minute separate particles. Microscopic particle.

deposited

/dəˈpäzət/

verb

To lay down of layers, e.g. of soil, over time.

microns

/ˈmīˌkrän/

noun other

unit of length equal to one millionth of metre. One-millionth of a metre.

engines

/ˈenjən/

noun other

machine converting power into motion. Machines that changes energy into mechanical motion.

directly

/diˈrektlē/

adverb conjunction

without changing or stopping. as soon as.

opinions

/əˈpinyən/

noun other

view not based on fact. People's thought on a topic.

measured

/ˈmeZHərd/

adjective verb

having slow, regular rhythm. To determine the value or importance of something.

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