pol • li • nate / ' palaneit / verb ( pol li - nates , pol - li - nat - ing , pol - li - nat - ed )

( BIOLOGY ) to put pollen into a flower or plant so that it

produces seeds

Flowers are pollinated by bees.

pol • li • na • tion / pala 'neifn/ noun [ noncount ] pol • lut • ant / pa 'lutnt / noun [ count ]

a substance that pollutes air, rivers, etc.

pol • lute / pa ' lut / verb ( pol - lutes, pol - lut - ing, pol - lut - ed )

to make the air, rivers, etc. dirty and dangerous

Many of our rivers are polluted with chemicals from

factories.

pol .lu .tion Ф / ps'lufn/ noun [ noncount ]

the action of making the air, rivers, etc. dirty and dangerous

We must stop the pollution of our beaches.

dirty and dangerous chemicals, gases, etc. that harm the environment

Our rivers are full of pollution. Collocations The environment environmental damage

cause climate change/global warming produce pollution/carbon dioxide/CO 2 destroy/harm the environment/wildlife pollute the environment/the air/rivers and lakes/the oceans

protecting the environment

reduce/limit pollution/emissions protect/save the planet/the rain forests/an endangered species energy and resources save/consume/waste energy dump/throw away garbage/trash/waste recycle bottles/packaging/paper/waste get/generate/produce electricity from wind/solar power

pol • y • es • ter / pali ' estar / noun [ noncount ]

an artificial material that is used for making clothes, etc. The sheets are a mixture of cotton and polyester.

pol y gon / ' paligan / noun [ count ]

( MATH ) a flat shape with at least three straight sides and angles

pond / pand / noun [ count ]

a small area of water

We have a fish pond in our backyard.

po ny / ' ponni / noun [ count ] ( plural po .nies )

a small horse

po ny tail / ponni|teil / noun [ count ]

long hair that you tie at the back of your head so that it hangs down

She wore her hair in a ponytail. —Look at the picture at hair .

pOOl 1 Ф / pul / noun

[ count ] ( also swim - ming pool ) a place that has been built for people to swim in

Karen dived into the pool.

[ count ] a small area of liquid or light on the ground She was lying in a pool of blood.

[ noncount ] a game in which two players try to hit balls into pockets on the edge of a table, using a long stick

a pool table

pool 2 / pul / verb ( pools , pool - ing , pooled )

to collect money or ideas together from different people First we'll work in pairs, then we'll pool our ideas.

poor Ф / pur / adjective ( poor ei , poor • est )

with very little money

She was too poor to buy clothes for her children. She gave her life to helping the poor (= poor people ) . The noun is poverty .

—ANTONYM rich

a word that you use when you feel sad because someone has problems

Poor Tina! She's not feeling well.

bad

My grandfather is in very poor health.

poor ly / ' purli / adverb badly

The street is poorly lit.

pop 1 / pap / noun

( also pop mu sic ) [ noncount ]

( MUSIC ) modern music that is most popular among young people

What's your favorite pop group ? a pop singer

[ count ] a short, sharp sound

The cork came out of the bottle with a loud pop.

pop 2 / pap / verb ( pops , pop • ping , popped )

to burst, or to make something burst, with a short sharp sound

The balloon will pop if you put a pin in it.

to put something somewhere quickly Katie popped a candy into her mouth. pop up

( informal ) to appear suddenly

The menu pops up when you double-click on the link. New restaurants were popping up everywhere.

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