thickness
Thickness (noun) means the distance between two opposite surfaces of something; how thick it is. Example: “Measure the thickness of the plank before you cut it.”
How to use thickness
Learner’s notesIn plain EnglishHow thick something is, or a single layer of it.
Word forms
- Plural
- thicknesses
- Third person singular
- thicknesses
- Past tense
- thicknessed
Fill the gap
Can you complete this real example?
Measure the _____ of the plank before you cut it.
Etymology
From Old English þicnes, formed from thick + the noun-forming suffix -ness.