English word spectro- comes from Latin specto (I consider. I test. I watch, observe, look at, see.), Latin -trum (Forming instrument nouns.)
| Dictionary entry | Language | Definition |
|---|---|---|
| specto | Latin (lat) | I consider. I test. I watch, observe, look at, see. |
| -trum | Latin (lat) | Forming instrument nouns. |
| spectrum | Latin (lat) | Apparition, specter. Appearance, image. |
| spectrum | English (en) | (chemistry) The pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.).. (mathematics, functional analysis) Of a bounded linear operator A, the set of scalar values λ such that the operator A—λI, where I denotes the identity operator, does not have a bounded inverse; intended as a generalisation of the linear [...] |
| spectro- | English (en) | Optical spectra. |