GLOSSARY Vighatika (ff) A unit of time, equivalent to 24 se- conds. Vidis (fafa) Contrary direc- tion. Vinādilka (विनाडिका) Same as Vighatikā. Vinadi (fast) Same as Vinā- dikā. Viparitaguna (विपरीतगुण ) Rver- sed-sine. Vipulacchayā (विपुलच्छाया) Great shadow, meaning "the Rsi- ne of the zenith distance". Vipulanara (विपुलनर) Great gnomon, meaning "the Rsine of altitude." Vimandala (F) The orbit of a planet. Vimardärdha (faf) Half the duration of totality of an eclipse. Vimawwrika (विमौरिक) Second of arc. Viyat (faa) Zero. Vilagna (fa) The horizon- ecliptic point in the east. Vilipta (fafan) Second of arc. Viliptika (fafafan) Same as Viliptā. 251 Vivara (faaz) Difference, inter- vening space. Visakhā (fagar) Name of the sixteenth nakşatra. Visesa (fa) Difference. Vislesa (fa) Difference. Visva (fara) Thirteen. Vişama (f¶) Odd. Vişaya (faqa) Five. Visuwajyā (विषुवज्या) The Rsine of the latitude (of a place). Visuvat (faqaa) The equator. Visuvatkarna (विषुवत्कर्ण ) The hypotenuse of the equi- noctial midday shadow. Visuvatprabha ( विषुवत्प्रभा) The equinoctial midday sha- dow. Visuvadudayarāśiprānapinda (विषुवदुदयराशिप्राणपिंड) Time in asus of rising of the signs at the equator, i.e., right ascension of the signs in terms of asus. Viskambha (f) Diameter. Vişnukrama (f) Three. Vistara (fa) Same as Vistara. Vistāra (विस्तार ) (1) Diameter. "Vyasa, viskambha, and vistāra are synonyms", says Bhaskara I. (2) Length,
