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Spectral
 spectral
light. spettrale
| Infrared
 infrared
commun. IT infrarosso
Interferometric | Telescope
 Telescope
astr. Telescopio
 telescope
life.sc. cannocchiale
- only individual words found (there may be no translations for some thesaurus entries in the bilingual dictionary)

to phrases
spectral ['spektrəl] adj.
light. spettrale
metrol. densità spettrale di...; concentrazione spettrale di…
Spectral: 243 phrases in 29 subjects
Antennas and waveguides4
Astronomy26
Automated equipment1
Chemistry2
Communications24
Earth sciences39
Electronics50
Environment5
Finances1
General2
Health care3
Immigration and citizenship3
Labor law2
Life sciences3
Lighting other than cinema23
Mathematics9
Medical7
Metallurgy1
Metrology4
Natural sciences7
Physical sciences2
Piezoelectric crystals1
Radio2
Scientific1
Statistics9
Technology5
Textile industry1
Transport4
Vacuum tubes2