handedness
UK/'hændidnis/US
TOEFLA1
Definitions
n.
A person's tendency to use one hand more than the other
用手习惯（左利或右利）
Root Breakdown
Root-derivedhand + -ed ('having a hand of a certain kind,' as in left-handed) + -ness ('quality') = the quality of favoring one hand — left- or right-handedness.
Root hand still carries 23 more wordsExample Sentences
- 1.
Handedness usually becomes clear by the age of three.
- 2.
Most studies link handedness to brain structure.