transilluminate verb. [transɪ'lu:mɪneɪt, trɑ:ns-, -'lju:-, -nz-] E20.
[from TRANS- + ILLUMINATE verb.]
1. verb trans. Cause light to pass through; Medicine shine strong light or other radiation through (an organ or part) to detect disease or abnormality. E20.

2. verb intrans. Appear or show up during transillumination. rare. L20.

■ transillumi'nation noun the action or process of transilluminating L19.

■ transilluminator noun (a) an instrument for examining the conjunctiva and the sclerotic of the eyeball by shining light through them; (b) an instrument for making spots on chromatography plates and electrophoresis gels visible by shining ultraviolet light through them: E20.

[TahlilGaran] English Dictionary ▲