Helpness Meter 1:
Figure out what the number means first.
Helpness Meter 2:
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The 6-letter word is
The number (see hint #1) is 1/60, and the 1/2 note is alternatively called minim. A minim is also a fluid unit (about 59 mm³, i.e. essentially a drop - see hint #2), and it's usually abbreviated as min. 1/60 of a minute (which is also abbreviated min) is called "second".
As for the title,
not only the word "minim" is used here in its non-musical meaning, but also "second" can be a music term too (an interval between e.g. C and D). But in the answer, it only means "a time unit".