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Meaning of gray ammonia | Babel Free

Noun CEFR B2

Definitions

ammonia produced from hydrocarbon feedstocks, without taking action to capture the carbon pollution
uncountable
Ammonia produced from gray hydrogen
uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

gray area gray asexuality gray bar motel gray catbird gray ceiling gray cells