as
adverb
1
to the same extent or degree, used in comparisons to show equality or intensity
- She can run as quickly as her brother.
- Try to stay as quiet as possible during the presentation.
- The room wasn't as cold as I expected.
- He's not as tall as his father.
- You should write as clearly as you speak.
2
used to introduce specific instances of a general category
- Many fruits, as apples and pears, grow well in cold climates.
- Languages, as French and Spanish, share common roots.
- Certain metals, as iron and copper, are essential to health.
- Historical figures, as Napoleon and Caesar, shaped entire eras.
- Wildflowers, as daisies and lupines, filled the meadow.