Wiktionary(1.50 / 2 votes)Rate this definition: 1  construct(Noun) Something constructed from parts. The artwork was a construct of wire and tubes. 2  construct(Noun) A concept or model. Bohr's theoretical construct of the atom was soon superseded by quantum mechanics. 3  construct(Verb) To build or form (something) by assembling parts.
In spectroscopy, the type of interaction between light and the material is usually â Absorption spectroscopy, Emission spectroscopy, Elastic scattering and reflection spectroscopy, Impedance spectroscopy, Inelastic scattering, Coherent or resonance spectroscopy.
Infrared Spectroscopy 2. Infrared (IR) Spectroscopy 2.1. Introduction Infrared spectroscopy is an absorption method in the wavelength region of 1 to 100 Âµm inthat extends the region of the visible light to longer wavelengths and smallerfrequencies/energies.