ar·i·ty 
(ârĭ-tē)
(ârĭ-tē)n. pl. ar·i·ties
The number of arguments or operands taken by a function or operator.
[-AR(Y) (as in BINARY and TERNARY) + -ITY.]
- spectrography
- spectroheliogram
- spectroheliograph
- spectroheliographic
- spectroheliography
- spectrohelioscope
- spectrohelioscopic
- spectrometer
- spectrometric
- spectrometry
- spectrophotometer
- spectrophotometric
- spectrophotometry
- spectroscope
- spectroscopic
- spectroscopical
- spectroscopically
- spectroscopic analysis
- spectroscopic binary
- spectroscopist
- spectroscopy
- spectrum
- specula
- specular
- specularly