microprobe

[mahy-kruh-prohb]

noun

Chemistry, Spectroscopy. a device used to excite radiation by a material in order to determine chemical or elemental composition from the emission spectrum produced.
Surgery. a miniature probe for use in microsurgery.

Origin of microprobe

First recorded in 1955–60; micro- + probe

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018