winterize

• winterise (non-Oxford British spelling)

winter +‎ -ize

winterize (third-person singular simple present winterizes, present participle winterizing, simple past and past participle winterized)

1. (transitive) To prepare (something) for winter weather.
2. (transitive) To remove the saturated fats from (a vegetable oil) by cooling and filtering it, so that it does not go cloudy in the winter.
   • 1990, David R. Erickson (editor), (World Conference Proceedings) Edible Fats and Oils Processing: Basic Principles and Modern Practices, page 103:

     Some oils which are frequently winterized to produce salad oil are: refined and lightly hydrogenated soybean oil, cottonseed oil and some varieties of rapeseed oil.

     The continuous miscella winterizing process takes from 45 min to 1 hr to produce +15 hr cold test oil.

• winterisation, winterization
• winterised, winterized
• winterising, winterizing
• winteriser, winterizer