Crossword Genius

Talk a little covering compound (6)

Ross

I believe the answer is:

alkali

'compound' is the definition.
(I know that alkali is a type of salt)

'talk a little covering' is the wordplay.
'covering' says the answer is hidden in the clue.
'ALKALI' is hidden within 'talk a little'.

(Other definitions for alkali that I've seen before include "Acid-neutralising chemical" , "Substance such as lime or caustic soda" , "Compound like lime" , "Soluble compound that turns litmus paper blue" , "Substance with pH of over 7" .)

I've seen this clue in The Sun.
Want a hint initially instead of a full solution? Install my app