What does Chinook mean?

[Nimas]

English Grammar Tests, Elementary Level

ESL/EFL Test #118 "Weather Test (5)", question 6

A ......... is a temporary or short-term period of colder than average temperatures.

(a) cold spell
(b) Chinook
(c) avalanche

English Grammar Tests, Elementary Level

ESL/EFL Test #118 "Weather Test (5)", answer 6

A cold spell is a temporary or short-term period of colder than average temperatures.

Correct answer: (a) cold spell

Your answer was: incorrect
A Chinook is a temporary or short-term period of colder than average temperatures.
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What is Chinook? and cold spell?

Nimas

[Mister Micawber]

.
Both words are in the DICTIONARY.
.
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Native English teacher at Mister Micawber's

[Rguerrero]

Hi MM.
I read the dictionary but I don't understood how many time takes the cold spell? some minutes? some days?
Thanks!

RG

[Beeesneees]

A cold spell usually refers to a period of several days or more.
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Cheers m' dears!

[Rguerrero]

Thank you!
RG

[Grigoriu]

Hi,
Cold spell and Chinook are synonyms?

[Beeesneees]

a chinook, to my knowledge, is a warm dry wind. That is nothing like a cold spell, which is a period of cold temperature(s).
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Cheers m' dears!