Medical Definition of SPECTROMETER. 1. : an instrument used for measuring wavelengths of light spectra. 2. â specÂ·troÂ·metÂ·ric \Ëspek-trÉ-Ëme-trik\ adjective.
It is important to denote the proband, so that the relationship to other individuals can be seen and patterns established. In most cases, the proband is the first affected family member who seeks medical attention for a genetic disorder.
(Lat. onus probandi .) In the law of evidence. The necessity or duty of affirmatively proving a fact or facts in dispute on an issue raised between the parties in a cause. Willett v. Rich, 142 Mass. 356, 7 N. E. 776. 56 Am.