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to phrases
aer form.
agric. air
environ. air A predominantly mechanical mixture of a variety of individual gases forming the earth's enveloping atmosphere
aer: 207 phrases in 17 subjects
Agriculture28
Animal husbandry1
Biology1
Chemistry9
Communications3
Construction114
Economy2
Entomology1
Environment8
Forestry9
Municipal planning4
Natural sciences2
Physics2
Soil science2
Technology6
Transport14
Ventilation1