• a jelly prepared from seaweed [n -S]
  • a gelatinous colloidal extractive of a red alga (as of the genera Gelidium, Gracilaria, and Eucheuma) used especially in culture media or as a gelling and stabilizing agent in foods
  • culture medium containing agar
  • culture medium having an agar base
  • a viscous substance obtained from certain seaweeds [n AGARS]