- heliomicrometer
- he·lio·micrometer
English syllables. 2014.
heliomicrometer
Look at other dictionaries:
heliomicrometer — |hēlē(ˌ)ō+ noun Etymology: heli (I) + micrometer : an instrument for determining heliographic positions of spots and flocculi shown on direct photographs of the sun or on spectroheliograph plates … Useful english dictionary
