το αέριο είναι ελαφρύτερο από τον αέρα

| ειναι ελαφρυτερο απο τον αερα

το: 5436 phrases in 75 subjects

Accounting	9
Agriculture	389
Animal husbandry	1
Art	1
Astronautics	3
Business	7
Chemistry	103
Coal	26
Commerce	31
Communications	169
Construction	31
Criminal law	21
Cultural studies	21
Customs	3
Demography	2
Earth sciences	49
Ecology	7
Economy	150
Education	25
Electronics	116
Energy industry	13
Environment	223
European Union	1
Finances	320
Fish farming pisciculture	24
Food industry	25
Forestry	25
General	517
Government, administration and public services	19
Health care	102
Hobbies and pastimes	13
Human rights activism	18
Immigration and citizenship	34
Industry	224
Information technology	106
Insurance	49
International law	10
International trade	21
Labor law	43
Law	405
Leather	4
Life sciences	48
Marketing	33
Materials science	29
Mathematics	7
Mechanic engineering	104
Medical	320
Metallurgy	97
Microsoft	49
Mineral products	1
Municipal planning	49
Natural resourses and wildlife conservation	157
Natural sciences	445
Nuclear physics	6
Obsolete / dated	16
Oil / petroleum	1
Patents	46
Pharmacy and pharmacology	8
Physical sciences	1
Politics	89
Private international law	1
Procedural law	12
Religion	1
Research and development	7
Scientific	2
Security systems	4
Social science	51
Statistics	42
Taxes	21
Technology	55
Textile industry	8
Transport	347
United Nations	16
Wood processing	1
Work flow	2