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 Bohr's theoretical construct of the atom was soon superseded by quantum mechanics. 3  construct(Verb) To build or form (something) by assembling parts.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.
Spectroscopy is the study of the interaction of electromagnetic radiation in all its forms with matter. Click here to view full animation. The interaction might give rise to electronic excitations, (e.g. UV), molecular vibrations (e.g. IR) or nuclear spin orientations (e.g. NMR).