portion is on the Academic Word List.

Pronunciation change

Noun change

Singular
portion

Plural
portions

  1. (countable) A portion is a part of something.
    We need to put more signs up in this portion of the city.
  2. (countable) A portion is an amount of food for one person.
    Each portion has six meatballs.

Verb change

Plain form
portion

Third-person singular
portions

Past tense
portioned

Past participle
portioned

Present participle
portioning

  1. (transitive) If you portion something out, you give parts of it to different people.
    They portioned out the water among them.

Synonyms change