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hélicoïdal adj.
chem.	helicoidal
mech.eng.	helical
med.	cochleariform; heliciform
med.appl.	spiral
hélicoidal adj.
chem.	spirally-wound; helical

helicoidal: 341 phrases in 32 subjects

Agriculture	26
Astronomy	4
Chemistry	19
Coal	2
Communications	3
Computers	4
Construction	20
Earth sciences	20
Electronics	9
Energy industry	3
Fat-and-oil industry	1
Food industry	2
Gear train	23
General	9
Health care	1
High energy physics	1
Industry	12
Materials science	1
Measuring instruments	1
Mechanic engineering	80
Medical	10
Medical appliances	1
Metallurgy	31
Municipal planning	1
Natural resourses and wildlife conservation	5
Natural sciences	2
Paleontology	1
Sports	2
Technology	26
Textile industry	2
Transport	18
Video recording	1