AYURVEDIYAPARIBHAShA 9.36-2

ĀYURVEDĪYAPARIBHĀṢĀ 9.36-2

yantra-prapīḍanād dravyādrasaḥ svarasa ucyate
yat piṇḍaṃ rasapiṣṭānāṃ sa kalkaḥ parikīrttitaḥ