inspissate

/ɪnˈspɪseɪt/
verb
  1. To make a liquid thicker or more concentrated, often by heating or evaporation.
    • The chef inspissated the sauce by simmering it for an hour.
    • Ancient methods to inspissate fruit juice involved boiling it down under the sun.
    • In the lab, they inspissate the syrup to achieve the desired consistency.
Antonyms
What does "inspissate" mean? | whatsthatwordmean | whatsthatwordmean