quad·ra·ture 
(kwŏdrə-chr′)
(kwŏdrə-chr′)n.
1. The process of making something square.
2. Mathematics The process of constructing a square equal in area to a given surface.
3. Astronomy A configuration in which the position of one celestial body is 90° from another celestial body as measured from a third body, typically Earth.
- resourceful
- resourcefully
- resourcefulness
- resp.
- respect
- respectability
- respectable
- respectableness
- respectably
- respecter
- respectful
- respectfully
- respectfulness
- respecting
- respective
- respectively
- respectiveness
- respell
- Respighi
- respirability
- respirable
- respiration
- respirational
- respirator
- respiratory