See pyramid selling
- Pyramid sign
pyramid sign n. Any of the various signs indicating a pathological condition of the pyramidal tracts, such as Babinski’s sign.
[pir-uh-muh s] /ˈpɪr ə məs/ plural noun, Classical Mythology. 1. two young lovers of Babylon who held conversations clandestinely, and in defiance of their parents, through a crack in a wall. On believing Thisbe dead, Pyramus killed himself. When Thisbe discovered his body she committed suicide. /ˈpɪrəməs; ˈθɪzbɪ/ noun 1. (in Greek legend) two lovers […]
[pahy-ran, pahy-ran] /ˈpaɪ ræn, paɪˈræn/ noun, Chemistry. 1. either of two compounds having the formula C 5 H 6 O, containing one oxygen and five carbon atoms arranged in a six-membered ring. /ˈpaɪræn; paɪˈræn/ noun 1. an unsaturated heterocyclic compound having a ring containing five carbon atoms and one oxygen atom and two double bonds. […]
/ˌpaɪrəˈnɒmɪtə/ noun 1. (physics) another name for solarimeter