heliomicrometer

noun

he·​lio·​micrometer

¦hēlē(ˌ)ō+

: an instrument for determining heliographic positions of spots and flocculi shown on direct photographs of the sun or on spectroheliograph plates

Word History

Etymology

heli- entry 1 + micrometer

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Rhymes for heliomicrometer

• accelerometer
• interferometer
• potentiometer
• spectrophotometer
• anemometer
• audiometer
• densitometer
• diffractometer
• dilatometer
• dynamometer
• electrometer
• extensometer