scale is on the Basic English 850 List.
say - scale - school

Pronunciation

change

Singular
scale

Plural
scales

Scale is on the Academic Vocabulary List.
  1. (countable & uncountable) The scale of something is its size or level.
    It's hard to understand the scale of the change.
  2. (countable) A scale is a small machine for measuring (finding out) how much something weighs (how heavy the thing is.)
    She stood on the scale and found out she weighed 150 pounds.
  3. (countable) (music) A series of eight notes.

Plain form
scale

Third-person singular
scales

Past tense
scaled

Past participle
scaled

Present participle
scaling

  1. If you scale something, then you climb up it.