upweight en · NOUN
Etymology
From up- + weight.
Meanings
-
(countable, uncountable) The amount of weight (in grams) a piano key will lift back up from its depressed position.
Piano technicians have to measurements at their disposal for measuring touchweight: downweight and upweight. Downweight and upweight are measured in grams.
2004, Robert Palmieri, editor, The Piano: An Encyclopedia, second edition, Routledge, →ISBN, page 401:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| upweights | Number=Plur | lexicographic |