downweight

Meanings

verbdownweight (third-person singular simple present downweights, present participle downweighting, simple past and past participle downweighted)

present singular third person downweights · participle present downweighting · participle past downweighted · past downweighted

mathematicsTo give something a lower weight.
In addition, both adaptive and robust methods downweight outliers. Note that, if a large sample is taken, the M-estimation procedure will generally downweight some of the largest residuals, even if the error terms were normally distributed.
2004, Thomas W. O'Gorman, Applied Adaptive Statistical Methods: Tests of Significance and Confidence Intervals, SIAM, →ISBN, page 12
Antonyms: upweight

noundownweight (countable and uncountable, plural downweights)

countableuncountableentertainmentThe amount of pressure (in grams) required to press a key on a piano.
1 more example
Piano technicians have to measurements at their disposal for measuring touchweight: downweight and upweight. Downweight and upweight are measured in grams. To measure downweight, a gram weight is placed on the key at the front and a rap or thump is given to the shop bench, KEYBED, or action stack with one's fist to break the starting friction
2004, Robert Palmieri, editor, The Piano: An Encyclopedia, second edition, Routledge, →ISBN, page 401