How to Say "arcminute" in Spanish
The Spanish word for “arcminute” is “minuto” — C1 level.
English → SpanishC1
NounC1formal
specifically, 1/60th of a degree

Examples
La latitud se mide en grados, minutos y segundos.
Latitude is measured in degrees, minutes, and seconds.
Un grado se divide en sesenta minutos de arco.
One degree is divided into sixty minutes of arc.
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