Final answer:
In English, 'a slight but appreciable amount' means a tiny or scarcely detectable amount that is still noticeable or significant.
Step-by-step explanation:
In English, the term 'a slight but appreciable amount' means a tiny or scarcely detectable amount. It refers to a quantity that is very small, but still noticeable or significant. For example, if someone says they had a slight but appreciable amount of pain, they mean that the pain was not severe but they still felt it.