downweight

名词 n. 动词 v.

英文释义

名词 n.
  1. The amount of pressure (in grams) required to press a key on a piano. countable,uncountable
    — 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
动词 v.
  1. To 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.

词形变化

downweights present,singular,third-person downweighting participle,present downweighted participle,past downweighted past downweights plural

词源

词源 1
From down- + weight.
词源 2
From down- + weight.
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