I. tank¹ S2 W2 /tæŋk/ noun [countable]
[Date: 1600-1700; Language: Portuguese; Origin: tanque 'pool']

1. a large container for storing liquid or gas:
The water tank is leaking.
Somehow the chemical got from a storage tank into water supplies.
fish/marine/breeding tank (=for keeping or breeding fish in)
the plane’s fuel tank
petrol tank British English gas tank American English

2. (also tankful) the amount of liquid or gas held in a tank:
We set off next day on a full tank.
tank of
a tankful of petrol

3.
a heavy military vehicle that has a large gun and runs on two metal belts fitted over its wheels

4. a large artificial pool for storing water

5. in the tank American English informal failing and losing money
be/go in the tank
Sales can’t keep going up, but that doesn’t mean the industry is going in the tank.
⇒ think tank, septic tank, drunk tank

[TahlilGaran] Dictionary of Contemporary English ▲

II. tank² verb

1. [intransitive] to decrease quickly or be very unsuccessful:
Not long after the chairman resigned, shares in the company tanked.

2. [intransitive] British English informal to travel very fast in a car or vehicle

3. [intransitive] informal to fail badly and be very unsuccessful Synonym : flop:
His last film tanked in the States, but did well in the UK.

4. (also tank it) [transitive] to deliberately lose a sports game that you could have won
tank up phrasal verb
especially American English to put petrol in your car so that the tank is full Synonym : fill up

[TahlilGaran] Dictionary of Contemporary English ▲

tank
noun
I. container
ADJ. empty, full | glass, steel | 4-foot, 50-gallon, 80-litre, etc. | fuel, gas, oil, oxygen, petrol, water the hot and cold water tanks
storage | septic, slurry | fish
VERB + TANK fill
TANK + VERB contain sth
PREP. in/into a/the ~ Put a little fish food into the tank.
~ of a full tank of petrol

[TahlilGaran] Collocations Dictionary ▲

tank
II. military vehicle
ADJ. armoured, army, battle
VERB + TANK climb into, get into | drive
TANK + VERB roll Tanks rolled in to end the siege.
TANK + NOUN regiment

[TahlilGaran] Collocations Dictionary ▲

tank
̈ɪtæŋk
See: think tank

[TahlilGaran] English Idioms Dictionary ▲