an indispensable or invaluable assistant; right hand.
Also, right-hand woman. A trusted helper, as in Give it to Jill, she’s my right-hand man. Based on the idea that in most people the right hand is the stronger of the two, this idiom today usually disregards gender, as in the example. However, in the the 17th and 18th centuries it also meant a soldier in a post of command on the right side of a cavalry unit, and then always denoted a man. [ c. 1800 ]
- Right-hand ring
noun a showy ring, often a diamond, worn on the right hand, purportedly to show a woman’s financial independence and power; also written right hand ring Examples A right-hand ring is a ring that a woman can buy for herself or a man can buy for a woman as a gift.
- Right-hand rule
right-hand rule A rule that uses the shape the right hand to established the standard orientation of vector quantities normal to a plane, especially when calculating a vector product or the helicity of particle spin. In the case of the vector product C = A × B, the direction of C is obtained by pointing […]
- Right heart
right heart n. The right atrium and right ventricle.
- Right hepatic duct
right hepatic duct n. The duct that conveys bile to the common hepatic duct from the right half of the liver.