4000englishwords6

UNIT
30
a m b e r [aembar] n.
Amber is a hard, yellowish material that comes from trees.
—►The necklace was made from pieces of amber.
charcoal [tfaxkoul] n.
Charcoal is a black material that is used as fuel for fire.
-*■ There was burnt charcoal left on the ground from an old fire.
columnist [kdlemnist] n.
A columnist is a writer who creates articles about a particular subject.
—»The columnist won praise for his articles about life on the farm.
courteous [kairtias] adj.
When someone is courteous, they are polite and respectful.
—►The mother asked her family to be courteous to their guests.
Credentials [kridenfalz] n.
Credentials are the proof of someone’s experience or ability to do something.
—» The mechanic hung his credentials on his office wall.
'H y h
d
cricket tkrikit] n.
A cricket is an insect that makes loud noises, usually at night.
- » In the country, we could see the stars and hear the crickets at night.
delta [delta] n.
A delta is flat area where a river splits into smaller rivers that flow into the sea.
—* The archeologists found many ancient materials in the delta o f the Nile River.
detergent [dita:rd3ent] n.
Detergent is soap that is used to clean clothes or dishes.
-» My brother added too much detergent to the wash, and bubbles got all over the floor.
euphemism [ju :famizam] n.
A euphemism is a term that is used in place of a mean or unpleasant word.
—►“ Window maintenance officer” is a euphemism for a window washer.
expire [ikspaiar] V.
To expire is to no longer be effective because its use has come to an end.
-* The man’s driver’s license was going to expire in two days.
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